?!---本网站页面设计由西南石油大学化学化工学院卿大咏老师完成,版权归化学化工学院所?。管理员联系QQ?05982001?--> 化学化工实验教学中心—化学元素周期表?/TITLE> <MEAD content="600;url=http://www.ptodbba.com" http-equiv="refresh"> <META http-equiv=Content-Type content="text/html; charset=UTF-8"> <SCRIPT language=JavaScript src="/images/menujsqdychemlabjs.js"></SCRIPT> <SCRIPT language=JavaScript1.2 src="/images/menujslabindex_menu.js"></SCRIPT> <style type="text/css"> </style> <script type="text/javascript" src="/yesads.js"></script></head> <BODY topmargin="0" leftmargin="0" rightmargin="0" bottommargin="0" background="http://www.ptodbba.com/indexpic/bglong.gif"> <div align="center"> <div align="center"> <table border="0" width="961" cellpadding="0" style="border-collapse: collapse"> <tr> <td> <div align="center"> <table border="0" width="965" cellpadding="0" background="http://www.ptodbba.com/indexpic/indexlogo.jpg" height="180" style="border-collapse: collapse"> <tr> <td> <p align="center" style="margin-right: -1px"> <OBJECT codeBase=http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0 height=168 width=890 classid=clsid:D27CDB6E-AE6D-11cf-96B8-444553540000> <PARAM NAME="movie" VALUE="http://www.ptodbba.com/indexpic/indexfly001.swf"><PARAM NAME="wmode" VALUE="transparent"> <PARAM NAME="quality" VALUE="high"> <embed src="http://www.ptodbba.com/indexpic/indexfly001.swf" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="890" height="168"></embed> </OBJECT></td> </tr> </table> </div> </td> </tr> <tr> <td> <table border="1" width="961" cellspacing="0" cellpadding="0" style="border-collapse: collapse" bordercolor="#C0C0C0"> <tr> <td> <div align="center"> <TABLE class=wrapper cellSpacing=0 cellPadding=0 border=0> <TBODY> <TR> <TD class=nav_bg width="100%"> <div align="left"> <table border="0" width="964" align="right" cellspacing="0" cellpadding="0" background="http://www.ptodbba.com/indexpic/menu2011.gif" height="33"> <tr> <td> <p align="center"> <SCRIPT language=JavaScript1.2>mmLoadMenus();</SCRIPT> </p> <TABLE cellSpacing=0 cellPadding=0 width=960 align=center border=0> <TBODY> <TR> <TD><IMG height=33 alt="" src="/images/menujsqdymenu00.gif" width=93 useMap=#m_qingdayong0 border=0 name=qingdayong0></TD> <TD><IMG height=33 alt="" src="/images/menujsqdymenu01.gif" width=93 useMap=#m_qingdayong1 border=0 name=qingdayong1></TD> <TD><IMG height=33 alt="" src="/images/menujsqdymenu02.gif" width=93 useMap=#m_qingdayong2 border=0 name=qingdayong2></TD> <TD><IMG height=33 alt="" src="/images/menujsqdymenu03.gif" width=93 useMap=#m_qingdayong3 border=0 name=qingdayong3></TD> <TD><IMG height=33 alt="" src="/images/menujsqdymenu04.gif" width=93 useMap=#m_qingdayong4 border=0 name=qingdayong4></TD> <TD><IMG height=33 alt="" src="/images/menujsqdymenu05.gif" width=93 useMap=#m_qingdayong5 border=0 name=qingdayong5></TD> <TD><IMG height=33 alt="" src="/images/menujsqdymenu06.gif" width=93 useMap=#m_qingdayong6 border=0 name=qingdayong6></TD> <TD><IMG height=33 alt="" src="/images/menujsqdymenu07.gif" width=93 useMap=#m_qingdayong7 border=0 name=qingdayong7></TD> <TD><IMG height=33 alt="" src="/images/menujsqdymenu08.gif" width=93 useMap=#m_qingdayong8 border=0 name=qingdayong8></TD> <TD><IMG height=33 alt="" src="/images/menujsqdymenu09.gif" width=93 useMap=#m_qingdayong9 border=0 name=qingdayong9></TD> </TR></TBODY> <MAP name=m_qingdayong0><AREA onmouseover="MM_showMenu(window.mm_menu_qdy900,15,22,null,'qingdayong0');"onmouseout=MM_startTimeout(); shape=RECT alt="" coords="20, 0, 88, 27" href="#"></MAP> <MAP name=m_qingdayong1><AREA onmouseover="MM_showMenu(window.mm_menu_qdy901,2,22,null,'qingdayong1');"onmouseout=MM_startTimeout(); shape=RECT alt="" coords="11, 5, 86, 23" href="/html/qqddyynews_more.asplm73.html"></MAP> <MAP name=m_qingdayong2><AREA onmouseover="MM_showMenu(window.mm_menu_qdy902,2,22,null,'qingdayong2');"onmouseout=MM_startTimeout(); shape=RECT alt="" coords="11, 5, 86, 23" href="#"></MAP> <MAP name=m_qingdayong3><AREA onmouseover="MM_showMenu(window.mm_menu_qdy903,2,22,null,'qingdayong3');"onmouseout=MM_startTimeout(); shape=RECT alt="" coords="11, 5, 86, 23" href="#"></MAP> <MAP name=m_qingdayong4><AREA onmouseover="MM_showMenu(window.mm_menu_qdy904,2,22,null,'qingdayong4');"onmouseout=MM_startTimeout(); shape=RECT alt="" coords="11, 5, 86, 23" href="#"></MAP> <MAP name=m_qingdayong5><AREA onMouseOver="MM_showMenu(window.mm_menu_qdy905,2,22,null,'qingdayong5');"onmouseout=MM_startTimeout(); shape=RECT alt="" coords="11, 5, 86, 23" href="#"></MAP> <MAP name=m_qingdayong6><AREA onmouseover="MM_showMenu(window.mm_menu_qdy906,2,22,null,'qingdayong6');"onmouseout=MM_startTimeout(); shape=RECT alt="" coords="11, 5, 86, 23" href="#"></MAP> <MAP name=m_qingdayong7><AREA onmouseover="MM_showMenu(window.mm_menu_qdy907,2,22,null,'qingdayong7');"onmouseout=MM_startTimeout(); shape=RECT alt="" coords="11, 5, 86, 23" href="/html/qqddyynews_more.asplm&lm279&open_blank&tj0&hot0.html"></MAP> <MAP name=m_qingdayong8><AREA onmouseover="MM_showMenu(window.mm_menu_qdy908,2,22,null,'qingdayong8');"onmouseout=MM_startTimeout(); shape=RECT alt="" coords="11, 5, 86, 23" href="#"></MAP> <MAP name=m_qingdayong9><AREA onMouseOver="MM_showMenu(window.mm_menu_qdy909,2,22,null,'qingdayong9');"onmouseout=MM_startTimeout(); shape=RECT alt="" coords="11, 5, 86, 23" href="#"></MAP> </TABLE> </td> </tr> </table> </div> </TD></TR></TBODY></TABLE> </div> <TABLE class=wrapper cellSpacing=0 cellPadding=0 align=center border=0> <TBODY> <TR> <TD class=nav_line></TD></TR></TBODY></TABLE> <div align="center"> <TABLE class=wrapper cellSpacing=0 cellPadding=0 border=0 height="100%"> <TBODY> <TR> <TD vAlign=top width=960> <div align="center"> <table border="0" width="98%" cellspacing="0" cellpadding="0" height="163"> <tr> <td valign="top"> <div align="center"> <table border="0" width="100%" cellspacing="0" cellpadding="0" id="table40" height="177"> <tr> <td valign="top" align="left"> <p style="line-height: 200%; margin-top: 0; margin-bottom: 0; margin-left:8px"> <b> <font color="#0000FF" size="2">您所在的位置?a href=""><font color="#0000FF">化学化工实验教学中心</font></a>>></font><font color="#FF0000" size="2">元素周期表查?/font></b></td> </tr> <tr> <td valign="top" align="center"> <DIV align="center" > <DIV align="center"> <h2 style="text-align: center"><font color="#0000FF">化学元素周期?/font></h2> <p align="left"> <font size="2">  现代化学的元素周期律?869年俄国科学家门捷列夫(Dmitri Mendeleev)首创的,他将当时已知?3种元素依原子量大小并以表的形式排列,把有相似化学性质的元素放在同一行,就是元素周期表的雏形。利用周期表,门捷列夫成功的预测当时尚未发现的元素的特?镓、钪、锗)?913年英国科学家莫色勒利用阴极射线撞击金属产生X射线,发现原子序越大,X射线的频率就越高,因此他认为核的正电荷决定了元素的化学性质,并把元素依照核内正电荷(即质子数或原子序)排列,经过多年修订后才成为当代的周期表?br>   在周期表中,元素是以元素的原子序排列,最小的排行最先。表中一横行称为一个周期,一列称为一个族? </font> </p> <hr class="dichr2"> <div align="center"> <div class="elbox"> <div class="elboxs3">?br>?/div> <div class="elboxs2"><br>I A</div> <div class="elboxs2"></div> <div class="elboxs2"></div> <div class="elboxs2"></div> <div class="elboxs2"></div> <div class="elboxs2"></div> <div class="elboxs2"></div> <div class="elboxs2"></div> <div class="elboxs2"></div> <div class="elboxs2"></div> <div class="elboxs2"></div> <div class="elboxs2"></div> <div class="elboxs2"></div> <div class="elboxs2"></div> <div class="elboxs2"></div> <div class="elboxs2"></div> <div class="elboxs2"></div> </div> <div class="elbox"> <div class="elboxs3"><br>1</div> <div class="elboxs elc7"><a href="/html/oldqdychemlabchemisrtyyuansuzhouqibiaoElementsHydrogen.html" target="xx"><span class="elrd"> 1</span> <span class="elff">H</span><br> <span class="eltl">?/span><br><span class="elen">1.0079</span></a></div> <div class="elboxs2"><br>IIA</div> <div class="elboxs0">化学元素周期?/div> <div class="elboxs2"><br>IIIA</div> <div class="elboxs2"><br>IVA</div> <div class="elboxs2"><br>VA</div> <div class="elboxs2" style="width: 47px; height: 48px"><br>VIA</div> <div class="elboxs2" style="width: 46px; height: 48px"><br>VIIA</div> <div class="elboxs elc8" style="width: 32px; height: 48px"><a href="/html/oldqdychemlabchemisrtyyuansuzhouqibiaoElementsHelium.html" target="xx"><span class="elrd"> 2</span> <span class="elff">He</span><br> <span class="eltl">?/span><br><span class="elen">4.0026</span></a></div> </div> <div class="elbox"> <div class="elboxs3"><br>2</div> <div class="elboxs elc1" style="width: 46px; height: 48px"><a href="/html/oldqdychemlabchemisrtyyuansuzhouqibiaoElementsLithium.html" target="xx"><span class="elrd"> 3</span> <span class="elff">Li</span><br> <span class="eltl">?/span><br><span class="elen">6.941</span></a></div> <div class="elboxs elc2"><a href="/html/oldqdychemlabchemisrtyyuansuzhouqibiaoElementsBeryllium.html" target="xx"><span class="elrd"> 4</span> <span class="elff">Be</span><br> <span class="eltl">?/span><br><span class="elen">9.0122</span></a></div> <div class="elboxs2"></div> <div class="elboxs2"></div> <div class="elboxs2"></div> <div class="elboxs2"></div> <div class="elboxs2"></div> <div class="elboxs2"></div> <div class="elboxs2"></div> <div class="elboxs2"></div> <div class="elboxs2" style="width: 49px; height: 48px"></div> <div class="elboxs2" style="width: 47px; height: 48px"> </div> <div class="elboxs elc7" style="width: 42px; height: 48px"><a href="/html/oldqdychemlabchemisrtyyuansuzhouqibiaoElementsBoron.html" target="xx"><span class="elrd"> 5</span> <span class="elff">B</span><br> <span class="eltl">?/span><br><span class="elen">10.811</span></a></div> <div class="elboxs elc7"><a href="/html/oldqdychemlabchemisrtyElementsCarbon.html" target="xx"><span class="elrd"> 6</span> <span class="elff">C</span><br> <span class="eltl">?/span><br><span class="elen">12.011</span></a></div> <div class="elboxs elc7"><a href="/html/oldqdychemlabchemisrtyElementsNitrogen.html" target="xx"><span class="elrd"> 7</span> <span class="elff">N</span><br> <span class="eltl">?/span><br><span class="elen">14.007</span></a></div> <div class="elboxs elc7" style="width: 22px; height: 48px"><a href="/html/oldqdychemlabchemisrtyElementsOxygen.html" target="xx"><span class="elrd"> 8</span> <span class="elff">O</span><br> <span class="eltl">?/span><br><span class="elen">15.999</span></a></div> <div class="elboxs elc7" style="width: 44px; height: 48px"><a href="/html/oldqdychemlabchemisrtyElementsFluorine.html" target="xx"><span class="elrd"> 9</span> <span class="elff">F</span><br> <span class="eltl">?/span><br><span class="elen">18.998</span></a></div> <div class="elboxs elc8" style="width:35px; height: 48px"><a href="/html/oldqdychemlabchemisrtyElementsNeon.html" target="xx"><span class="elrd"> 10</span> <span class="elff">Ne</span><br> <span class="eltl">?/span><br><span class="elen">20.17</span></a></div> </div> <div class="elbox"> <div class="elboxs3"><br>3</div> <div class="elboxs elc1" style="width: 46px; height: 48px"><a href="/html/oldqdychemlabchemisrtyElementsSodium.html" target="xx"><span class="elrd"> 11</span> <span class="elff">Na</span><br> <span class="eltl">?/span><br><span class="elen">22.9898</span></a></div> <div class="elboxs elc2"><a href="/html/oldqdychemlabchemisrtyElementsMagnesium.html" target="xx"><span class="elrd"> 12</span> <span class="elff">Mg</span><br> <span class="eltl">?/span><br><span class="elen">24.305</span></a></div> <div class="elboxs2"><br>IIIB</div> <div class="elboxs2"><br>IVB</div> <div class="elboxs2"><br>VB</div> <div class="elboxs2"><br>VIB</div> <div class="elboxs2"><br>VIIB</div> <div class="elboxs2"></div> <div class="elboxs2"><br>VIII</div> <div class="elboxs2"></div> <div class="elboxs2" style="width: 41px; height: 48px"><br>IB</div> <div class="elboxs2" style="width: 57px; height: 48px"><br>IIB</div> <div class="elboxs elc6" style="width: 40px; height: 48px"><a href="/html/oldqdychemlabchemisrtyElementsAluminum.html" target="xx"><span class="elrd"> 13</span> <span class="elff">Al</span><br> <span class="eltl">?/span><br><span class="elen">26.982</span></a></div> <div class="elboxs elc7" style="width: 39px; height: 48px"><a href="/html/oldqdychemlabchemisrtyElementsSilicon.html" target="xx"><span class="elrd"> 14</span> <span class="elff">Si</span><br> <span class="eltl">?/span><br><span class="elen">28.085</span></a></div> <div class="elboxs elc7"><a href="/html/oldqdychemlabchemisrtyElementsPhosphorus.html" target="xx"><span class="elrd"> 15</span> <span class="elff">P</span><br> <span class="eltl">?/span><br><span class="elen">30.974</span></a></div> <div class="elboxs elc7" style="width: 31px; height: 48px"><a href="/html/oldqdychemlabchemisrtyElementsSulfur.html" target="xx"><span class="elrd"> 16</span> <span class="elff">S</span><br> <span class="eltl">?/span><br><span class="elen">32.06</span></a></div> <div class="elboxs elc7" style="width: 44px; height: 48px"><a href="/html/oldqdychemlabchemisrtyElementsChlorine.html" target="xx"><span class="elrd"> 17</span> <span class="elff">Cl</span><br> <span class="eltl">?/span><br><span class="elen">35.453</span></a></div> <div class="elboxs elc8" style="width: 26px; height: 48px"><a href="/html/oldqdychemlabchemisrtyElementsArgon.html" target="xx"><span class="elrd"> 18</span> <span class="elff">Ar</span><br> <span class="eltl">?/span><br><span class="elen">39.94</span></a></div> </div> <div class="elbox"> <div class="elboxs3"><br>4</div> <div class="elboxs elc1" style="width: 46px; height: 48px"><a href="/html/oldqdychemlabchemisrtyElementsPotassium.html" target="xx"><span class="elrd"> 19</span> <span class="elff">K</span><br> <span class="eltl">?/span><br><span class="elen">39.098</span></a></div> <div class="elboxs elc2"><a href="/html/oldqdychemlabchemisrtyElementsCalcium.html" target="xx"><span class="elrd"> 20</span> <span class="elff">Ca</span><br> <span class="eltl">?/span><br><span class="elen">40.08</span></a></div> <div class="elboxs elc3"><a href="/html/oldqdychemlabchemisrtyElementsScandium.html" target="xx"><span class="elrd"> 21</span> <span class="elff">Sc</span><br> <span class="eltl">?/span><br><span class="elen">44.956</span></a></div> <div class="elboxs elc3"><a href="/html/oldqdychemlabchemisrtyElementsTitanium.html" target="xx"><span class="elrd"> 22</span> <span class="elff">Ti</span><br> <span class="eltl">?/span><br><span class="elen">47.9</span></a></div> <div class="elboxs elc3"><a href="/html/oldqdychemlabchemisrtyElementsVanadium.html" target="xx"><span class="elrd"> 23</span> <span class="elff">V</span><br> <span class="eltl">?/span><br><span class="elen">50.9415</span></a></div> <div class="elboxs elc3"><a href="/html/oldqdychemlabchemisrtyElementsChromium.html" target="xx"><span class="elrd"> 24</span> <span class="elff">Cr</span><br> <span class="eltl">?/span><br><span class="elen">51.996</span></a></div> <div class="elboxs elc3"><a href="/html/oldqdychemlabchemisrtyElementsManganese.html" target="xx"><span class="elrd"> 25</span> <span class="elff">Mn</span><br> <span class="eltl">?/span><br><span class="elen">54.938</span></a></div> <div class="elboxs elc3"><a href="/html/oldqdychemlabchemisrtyElementsIron.html" target="xx"><span class="elrd"> 26</span> <span class="elff">Fe</span><br> <span class="eltl">?/span><br><span class="elen">55.84</span></a></div> <div class="elboxs elc3"><a href="/html/oldqdychemlabchemisrtyElementsCobalt.html" target="xx"><span class="elrd"> 27</span> <span class="elff">Co</span><br> <span class="eltl">?/span><br><span class="elen">58.9332</span></a></div> <div class="elboxs elc3"><a href="/html/oldqdychemlabchemisrtyElementsNickel.html" target="xx"><span class="elrd"> 28</span> <span class="elff">Ni</span><br> <span class="eltl">?/span><br><span class="elen">58.69</span></a></div> <div class="elboxs elc3" style="width: 45px; height: 48px"><a href="/html/oldqdychemlabchemisrtyElementsCopper.html" target="xx"><span class="elrd"> 29</span> <span class="elff">Cu</span><br> <span class="eltl">?/span><br><span class="elen">63.54</span></a></div> <div class="elboxs elc3" style="width: 44px; height: 48px"><a href="/html/oldqdychemlabchemisrtyElementsZinc.html" target="xx"><span class="elrd"> 30</span> <span class="elff">Zn</span><br> <span class="eltl">?/span><br><span class="elen">65.38</span></a></div> <div class="elboxs elc6"><a href="/html/oldqdychemlabchemisrtyElementsGallium.html" target="xx"><span class="elrd"> 31</span> <span class="elff">Ga</span><br> <span class="eltl">?/span><br><span class="elen">69.72</span></a></div> <div class="elboxs elc6"><a href="/html/oldqdychemlabchemisrtyElementsGermanium.html" target="xx"><span class="elrd"> 32</span> <span class="elff">Ge</span><br> <span class="eltl">?/span><br><span class="elen">72.59</span></a></div> <div class="elboxs elc7" style="width: 33px; height: 48px"><a href="/html/oldqdychemlabchemisrtyElementsArsenic.html" target="xx"><span class="elrd"> 33</span> <span class="elff">As</span><br> <span class="eltl">?/span><br><span class="elen">74.922</span></a></div> <div class="elboxs elc7"><a href="/html/oldqdychemlabchemisrtyElementsSelenium.html" target="xx"><span class="elrd"> 34</span> <span class="elff">Se</span><br> <span class="eltl">?/span><br><span class="elen">78.9</span></a></div> <div class="elboxs elc7" style="width: 44px; height: 48px"><a href="/html/oldqdychemlabchemisrtyElementsBromine.html" target="xx"><span class="elrd"> 35</span> <span class="elff">Br</span><br> <span class="eltl">?/span><br><span class="elen">79.904</span></a></div> <div class="elboxs elc8"><a href="/html/oldqdychemlabchemisrtyElementsKrypton.html" target="xx"><span class="elrd"> 36</span> <span class="elff">Kr</span><br> <span class="eltl">?/span><br><span class="elen">83.8</span></a></div> </div> <div class="elbox"> <div class="elboxs3"><br>5</div> <div class="elboxs elc1" style="width: 46px; height: 48px"><a href="/html/oldqdychemlabchemisrtyElementsRubidium.html" target="xx"><span class="elrd"> 37</span> <span class="elff">Rb</span><br> <span class="eltl">?/span><br><span class="elen">85.467</span></a></div> <div class="elboxs elc2"><a href="/html/oldqdychemlabchemisrtyElementsStrontium.html" target="xx"><span class="elrd"> 38</span> <span class="elff">Sr</span><br> <span class="eltl">?/span><br><span class="elen">87.62</span></a></div> <div class="elboxs elc3"><a href="/html/oldqdychemlabchemisrtyElementsYttrium.html" target="xx"><span class="elrd"> 39</span> <span class="elff">Y</span><br> <span class="eltl">?/span><br><span class="elen">88.906</span></a></div> <div class="elboxs elc3"><a href="/html/oldqdychemlabchemisrtyElementsZirconium.html" target="xx"><span class="elrd"> 40</span> <span class="elff">Zr</span><br> <span class="eltl">?/span><br><span class="elen">91.22</span></a></div> <div class="elboxs elc3"><a href="/html/oldqdychemlabchemisrtyElementsNiobium.html" target="xx"><span class="elrd"> 41</span> <span class="elff">Nb</span><br> <span class="eltl">?/span><br><span class="elen">92.9064</span></a></div> <div class="elboxs elc3"><a href="/html/oldqdychemlabchemisrtyElementsMolybdenum.html" target="xx"><span class="elrd"> 42</span> <span class="elff">Mo</span><br> <span class="eltl">?/span><br><span class="elen">95.94</span></a></div> <div class="elboxs elc3"><a href="/html/oldqdychemlabchemisrtyElementsTechnetium.html" target="xx"><span class="elrd"> 43</span> <span class="elff">Tc</span><br> <span class="eltl">?/span><br><span class="elen">99</span></a></div> <div class="elboxs elc3"><a href="/html/oldqdychemlabchemisrtyElementsRuthenium.html" target="xx"><span class="elrd"> 44</span> <span class="elff">Ru</span><br> <span class="eltl">?/span><br><span class="elen">101.07</span></a></div> <div class="elboxs elc3"><a href="/html/oldqdychemlabchemisrtyElementsRhodium.html" target="xx"><span class="elrd"> 45</span> <span class="elff">Rh</span><br> <span class="eltl">?/span><br><span class="elen">102.906</span></a></div> <div class="elboxs elc3"><a href="/html/oldqdychemlabchemisrtyElementsPalladium.html" target="xx"><span class="elrd"> 46</span> <span class="elff">Pd</span><br> <span class="eltl">?/span><br><span class="elen">106.42</span></a></div> <div class="elboxs elc3"><a href="/html/oldqdychemlabchemisrtyElementsSilver.html" target="xx"><span class="elrd"> 47</span> <span class="elff">Ag</span><br> <span class="eltl">?/span><br><span class="elen">107.868</span></a></div> <div class="elboxs elc3" style="width: 45px; height: 48px"><a href="/html/oldqdychemlabchemisrtyElementsCadmium.html" target="xx"><span class="elrd"> 48</span> <span class="elff">Cd</span><br> <span class="eltl">?/span><br><span class="elen">112.41</span></a></div> <div class="elboxs elc6"><a href="/html/oldqdychemlabchemisrtyElementsIndium.html" target="xx"><span class="elrd"> 49</span> <span class="elff">In</span><br> <span class="eltl">?/span><br><span class="elen">114.82</span></a></div> <div class="elboxs elc6"><a href="/html/oldqdychemlabchemisrtyElementsTin.html" target="xx"><span class="elrd"> 50</span> <span class="elff">Sn</span><br> <span class="eltl">?/span><br><span class="elen">118.6</span></a></div> <div class="elboxs elc6"><a href="/html/oldqdychemlabchemisrtyElementsAntimony.html" target="xx"><span class="elrd"> 51</span> <span class="elff">Sb</span><br> <span class="eltl">?/span><br><span class="elen">121.7</span></a></div> <div class="elboxs elc7"><a href="/html/oldqdychemlabchemisrtyElementsTellurium.html" target="xx"><span class="elrd"> 52</span> <span class="elff">Te</span><br> <span class="eltl">?/span><br><span class="elen">127.6</span></a></div> <div class="elboxs elc7"><a href="/html/oldqdychemlabchemisrtyElementsIodine.html" target="xx"><span class="elrd"> 53</span> <span class="elff">I</span><br> <span class="eltl">?/span><br><span class="elen">126.905</span></a></div> <div class="elboxs elc8"><a href="/html/oldqdychemlabchemisrtyElementsXenon.html" target="xx"><span class="elrd"> 54</span> <span class="elff">Xe</span><br> <span class="eltl">?/span><br><span class="elen">131.3</span></a></div> </div> <div class="elbox"> <div class="elboxs3"><br>6</div> <div class="elboxs elc1" style="width: 46px; height: 48px"><a href="/html/oldqdychemlabchemisrtyElementsCesium.html" target="xx"><span class="elrd"> 55</span> <span class="elff">Cs</span><br> <span class="eltl">?/span><br><span class="elen">132.905</span></a></div> <div class="elboxs elc2"><a href="/html/oldqdychemlabchemisrtyElementsBarium.html" target="xx"><span class="elrd"> 56</span> <span class="elff">Ba</span><br> <span class="eltl">?/span><br><span class="elen">137.33</span></a></div> <div class="elboxs elc4"><a href="/html/oldqdychemlabchemisrtyElementsla-lu.html" target="xx"><span class="elrd"> 57-71</span><br> <span class="elff">La-Lu</span><br> <span class="eltl">镧系</span></a></div> <div class="elboxs elc3"><a href="/html/oldqdychemlabchemisrtyElementsHafnium.html" target="xx"><span class="elrd"> 72</span> <span class="elff">Hf</span><br> <span class="eltl">?/span><br><span class="elen">178.4</span></a></div> <div class="elboxs elc3"><a href="/html/oldqdychemlabchemisrtyElementsTantalum.html" target="xx"><span class="elrd"> 73</span> <span class="elff">Ta</span><br> <span class="eltl">?/span><br><span class="elen">180.947</span></a></div> <div class="elboxs elc3"><a href="/html/oldqdychemlabchemisrtyElementsTungsten.html" target="xx"><span class="elrd"> 74</span> <span class="elff">W</span><br> <span class="eltl">?/span><br><span class="elen">183.8</span></a></div> <div class="elboxs elc3"><a href="/html/oldqdychemlabchemisrtyElementsRhenium.html" target="xx"><span class="elrd"> 75</span> <span class="elff">Re</span><br> <span class="eltl">?/span><br><span class="elen">186.207</span></a></div> <div class="elboxs elc3"><a href="/html/oldqdychemlabchemisrtyElementsOsmium.html" target="xx"><span class="elrd"> 76</span> <span class="elff">Os</span><br> <span class="eltl">?/span><br><span class="elen">190.2</span></a></div> <div class="elboxs elc3"><a href="/html/oldqdychemlabchemisrtyElementsIridium.html" target="xx"><span class="elrd"> 77</span> <span class="elff">Ir</span><br> <span class="eltl">?/span><br><span class="elen">192.2</span></a></div> <div class="elboxs elc3"><a href="/html/oldqdychemlabchemisrtyElementsPlatinum.html" target="xx"><span class="elrd"> 78</span> <span class="elff">Pt</span><br> <span class="eltl">?/span><br><span class="elen">195.08</span></a></div> <div class="elboxs elc3"><a href="/html/oldqdychemlabchemisrtyElementsGold.html" target="xx"><span class="elrd"> 79</span> <span class="elff">Au</span><br> <span class="eltl">?/span><br><span class="elen">196.967</span></a></div> <div class="elboxs elc3" style="width: 45px; height: 48px"><a href="/html/oldqdychemlabchemisrtyElementsMercury.html" target="xx"><span class="elrd"> 80</span> <span class="elff">Hg</span><br> <span class="eltl">?/span><br><span class="elen">200.5</span></a></div> <div class="elboxs elc6"><a href="/html/oldqdychemlabchemisrtyElementsThallium.html" target="xx"><span class="elrd"> 81</span> <span class="elff">Tl</span><br> <span class="eltl">?/span><br><span class="elen">204.3</span></a></div> <div class="elboxs elc6"><a href="/html/oldqdychemlabchemisrtyElementsLead.html" target="xx"><span class="elrd"> 82</span> <span class="elff">Pb</span><br> <span class="eltl">?/span><br><span class="elen">207.2</span></a></div> <div class="elboxs elc6"><a href="/html/oldqdychemlabchemisrtyElementsBismuth.html" target="xx"><span class="elrd"> 83</span> <span class="elff">Bi</span><br> <span class="eltl">?/span><br><span class="elen">208.98</span></a></div> <div class="elboxs elc6"><a href="/html/oldqdychemlabchemisrtyElementsPolonium.html" target="xx"><span class="elrd"> 84</span> <span class="elff">Po</span><br> <span class="eltl">?/span><br><span class="elen">(209)</span></a></div> <div class="elboxs elc7" style="width: 44px; height: 48px"><a href="/html/oldqdychemlabchemisrtyElementsAstatine.html" target="xx"><span class="elrd"> 85</span> <span class="elff">At</span><br> <span class="eltl">?/span><br><span class="elen">(210)</span></a></div> <div class="elboxs elc8" style="width: 11px; height: 39px"><a href="/html/oldqdychemlabchemisrtyElementsRadon.html" target="xx"><span class="elrd"> 86</span> <span class="elff">Rn</span><br> <span class="eltl">?/span><br><span class="elen">(222)</span></a></div> </div> <div class="elbox"> <div class="elboxs3"><br>7</div> <div class="elboxs elc1" style="width: 47px; height: 48px"><a href="/html/oldqdychemlabchemisrtyElementsFrancium.html" target="xx"><span class="elrd"> 87</span> <span class="elff">Fr</span><br> <span class="eltl">?/span><br><span class="elen">(223)</span></a></div> <div class="elboxs elc2"><a href="/html/oldqdychemlabchemisrtyElementsRadium.html" target="xx"><span class="elrd"> 88</span> <span class="elff">Ra</span><br> <span class="eltl">?/span><br><span class="elen">226.03</span></a></div> <div class="elboxs elc5"><a href="/html/oldqdychemlabchemisrtyElementsac-lr.html" target="xx"><span class="elrd"> 89-103</span><br> <span class="elff">Ac-Lr</span><br> <span class="eltl">锕系</span></a></div> <div class="elboxs elc3"><a href="/html/oldqdychemlabchemisrtyElementsKurchatovium.html" target="xx"><span class="elrd"> 104</span> <span class="elff">Rf</span><br> <span class="eltl">?/span><br><span class="elen">(261)</span></a></div> <div class="elboxs elc3"><a href="/html/oldqdychemlabchemisrtyElementsdubnium.html" target="xx"><span class="elrd"> 105</span> <span class="elff">Db</span><br> <span class="eltl"><span style='font-family:PMingLiu-ExtB'>𨧀</span></span><br><span class="elen"> (262)</span></a></div> <div class="elboxs elc3"><a href="/html/oldqdychemlabchemisrtyElementssg.html" target="xx"><span class="elrd"> 106</span> <span class="elff">Sg</span><br> <span class="eltl"><span style='font-family:PMingLiu-ExtB'>𨭎</span></span><br><span class="elen"> (266)</span></a></div> <div class="elboxs elc3"><a href="/html/oldqdychemlabchemisrtyElementsBohrium.html" target="xx"><span class="elrd"> 107</span> <span class="elff">Bh</span><br> <span class="eltl"><span style='font-family:PMingLiu-ExtB'>𨨏</span></span><br><span class="elen"> (264)</span></a></div> <div class="elboxs elc3" style="width: 21px; height: 50px"><a href="/html/oldqdychemlabchemisrtyElementsHassium.html" target="xx"><span class="elrd"> 108</span> <span class="elff">Hs</span><br> <span class="eltl"><span style='font-family:PMingLiu-ExtB'>𨭆</span></span><br><span class="elen"> (269)</span></a></div> <div class="elboxs elc3" style="width: 34px; height: 48px"><a href="/html/oldqdychemlabchemisrtyElementsMeitnerium.html" target="xx"><span class="elrd"> 109</span> <span class="elff">Mt</span><br> <span class="eltl"><span style='font-family:PMingliu'>䥑</span></span><br><span class="elen"> (268)</span></a></div> <div class="elboxs elc3" style="width: 28px; height: 48px"><a href="/html/oldqdychemlabchemisrtyElementsDarmstadtium.html" target="xx"><span class="elrd"> 110</span> <span class="elff">Ds</span><br> <span class="eltl"><span style='font-family:PMingliu'>?/span></span><br><span class="elen"> (271)</span></a></div> <div class="elboxs elc3" style="width: 28px; height: 48px"><a href="/html/oldqdychemlabchemisrtyElementsRoentgenium.html" target="xx"><span class="elrd"> 111</span> <span class="elff">Rg</span><br> <span class="eltl"><span style='font-family:PMingliu'>錀</span></span><br><span class="elen"> (272)</span></a></div> <div class="elboxs elc3" style="width: 25px; height: 43px"><a href="/html/oldqdychemlabchemisrtyElementsuub.html" target="xx"><span class="elrd"> 112</span> <span class="elff">Cn</span><br> <span class="eltl">Uub</span><br><span class="elen">(285)</span></a></div> <div class="elboxs elc6"><a href="/html/oldqdychemlabchemisrtyElementsuut.html" target="xx"><span class="elrd"> 113</span> <span class="elff"></span><br> <span class="eltl">Uut</span><br><span class="elen">(284)</span></a></div> <div class="elboxs elc6"><a href="/html/oldqdychemlabchemisrtyElementsuuq.html" target="xx"><span class="elrd"> 114</span> <span class="elff"></span><br> <span class="eltl">Uuq</span><br><span class="elen">(289)</span></a></div> <div class="elboxs elc6"><a href="/html/oldqdychemlabchemisrtyElementsuup.html" target="xx"><span class="elrd"> 115</span> <span class="elff"></span><br> <span class="eltl">Uup</span><br><span class="elen">(288)</span></a></div> <div class="elboxs elc6"><a href="/html/oldqdychemlabchemisrtyElementsuuh.html" target="xx"><span class="elrd"> 116</span> <span class="elff"></span><br> <span class="eltl">Uuh</span><br><span class="elen">(292)</span></a></div> <div class="elboxs"><a href="/html/oldqdychemlabchemisrtyElementsuus.html" target="xx"><span class="elrd"> 117</span> <span class="elff"></span><br> <span class="eltl">Uus</span><br><span class="elen"></span></a></div> <div class="elboxs"><a href="/html/oldqdychemlabchemisrtyElementsuuo.html" target="xx"><span class="elrd"> 118</span> <span class="elff"></span><br> <span class="eltl">Uuo</span><br><span class="elen"></span></a></div> </div> <hr class="dichr"> <div class="elbox2"> <div class="elboxs2"></div> <div class="elboxs elc4"> <p style="margin-top: 6px; margin-bottom: 0px"><span class="eltl">?br> ?/span></div> <div class="elboxs elc3"><a href="/html/oldqdychemlabchemisrtyElementsLanthanum.html" target="xx"><span class="elrd"> 57</span> <span class="elff">La</span><br> <span class="eltl">?/span><br><span class="elen">138.905</span></a></div> <div class="elboxs elc4"><a href="/html/oldqdychemlabchemisrtyElementsCerium.html" target="xx"><span class="elrd"> 58</span> <span class="elff">Ce</span><br> <span class="eltl">?/span><br><span class="elen">140.12</span></a></div> <div class="elboxs elc4"><a href="/html/oldqdychemlabchemisrtyElementsPraseodymium.html" target="xx"><span class="elrd"> 59</span> <span class="elff">Pr</span><br> <span class="eltl">?/span><br><span class="elen">140.91</span></a></div> <div class="elboxs elc4"><a href="/html/oldqdychemlabchemisrtyElementsNeodymium.html" target="xx"><span class="elrd"> 60</span> <span class="elff">Nd</span><br> <span class="eltl">?/span><br><span class="elen">144.2</span></a></div> <div class="elboxs elc4"><a href="/html/oldqdychemlabchemisrtyElementsPromethium.html" target="xx"><span class="elrd"> 61</span> <span class="elff">Pm</span><br> <span class="eltl">?/span><br><span class="elen">147</span></a></div> <div class="elboxs elc4"><a href="/html/oldqdychemlabchemisrtyElementsSamarium.html" target="xx"><span class="elrd"> 62</span> <span class="elff">Sm</span><br> <span class="eltl">?/span><br><span class="elen">150.4</span></a></div> <div class="elboxs elc4"><a href="/html/oldqdychemlabchemisrtyElementsEuropium.html" target="xx"><span class="elrd"> 63</span> <span class="elff">Eu</span><br> <span class="eltl">?/span><br><span class="elen">151.96</span></a></div> <div class="elboxs elc4"><a href="/html/oldqdychemlabchemisrtyElementsGadolinium.html" target="xx"><span class="elrd"> 64</span> <span class="elff">Gd</span><br> <span class="eltl">?/span><br><span class="elen">157.25</span></a></div> <div class="elboxs elc4"><a href="/html/oldqdychemlabchemisrtyElementsTerbium.html" target="xx"><span class="elrd"> 65</span> <span class="elff">Tb</span><br> <span class="eltl">?/span><br><span class="elen">158.93</span></a></div> <div class="elboxs elc4"><a href="/html/oldqdychemlabchemisrtyElementsDysprosium.html" target="xx"><span class="elrd"> 66</span> <span class="elff">Dy</span><br> <span class="eltl">?/span><br><span class="elen">162.5</span></a></div> <div class="elboxs elc4"><a href="/html/oldqdychemlabchemisrtyElementsHolmium.html" target="xx"><span class="elrd"> 67</span> <span class="elff">Ho</span><br> <span class="eltl">?/span><br><span class="elen">164.93</span></a></div> <div class="elboxs elc4"><a href="/html/oldqdychemlabchemisrtyElementsErbium.html" target="xx"><span class="elrd"> 68</span> <span class="elff">Er</span><br> <span class="eltl">?/span><br><span class="elen">167.2</span></a></div> <div class="elboxs elc4"><a href="/html/oldqdychemlabchemisrtyElementsThulium.html" target="xx"><span class="elrd"> 69</span> <span class="elff">Tm</span><br> <span class="eltl">?/span><br><span class="elen">168.934</span></a></div> <div class="elboxs elc4"><a href="/html/oldqdychemlabchemisrtyElementsYtterbium.html" target="xx"><span class="elrd"> 70</span> <span class="elff">Yb</span><br> <span class="eltl">?/span><br><span class="elen">173.0</span></a></div> <div class="elboxs elc4"><a href="/html/oldqdychemlabchemisrtyElementsLutetium.html" target="xx"><span class="elrd"> 71</span> <span class="elff">Lu</span><br> <span class="eltl">?/span><br><span class="elen">174.96</span></a></div> </div> <div class="elbox2"> <div class="elboxs2"></div> <div class="elboxs elc5" style="width: 39px; height: 48px"> <p style="margin-top: 6px"><span class="eltl">?br> ?/span></div> <div class="elboxs elc3"><a href="/html/oldqdychemlabchemisrtyElementsActinium.html" target="xx"><span class="elrd"> 89</span> <span class="elff">Ac</span><br> <span class="eltl">?/span><br> <span class="elen">(227)</span></a></div> <div class="elboxs elc5"><a href="/html/oldqdychemlabchemisrtyElementsThorium.html" target="xx"><span class="elrd"> 90</span> <span class="elff">Th</span><br> <span class="eltl">?/span><br> <span class="elen">232.03</span></a></div> <div class="elboxs elc5"><a href="/html/oldqdychemlabchemisrtyElementsProtactinium.html" target="xx"><span class="elrd"> 91</span> <span class="elff">Pa</span><br> <span class="eltl">?/span><br> <span class="elen">231.03</span></a></div> <div class="elboxs elc5"><a href="/html/oldqdychemlabchemisrtyElementsUranium.html" target="xx"><span class="elrd"> 92</span> <span class="elff">U</span><br> <span class="eltl">铀</span><br><span class="elen">238.02</span></a></div> <div class="elboxs elc5"><a href="/html/oldqdychemlabchemisrtyElementsNeptunium.html" target="xx"><span class="elrd"> 93</span> <span class="elff">Np</span><br> <span class="eltl">?/span><br><span class="elen">237.04</span></a></div> <div class="elboxs elc5"><a href="/html/oldqdychemlabchemisrtyElementsPlutonium.html" target="xx"><span class="elrd"> 94</span> <span class="elff">Pu</span><br> <span class="eltl">?/span><br><span class="elen">(244)</span></a></div> <div class="elboxs elc5"><a href="/html/oldqdychemlabchemisrtyElementsAmericium.html" target="xx"><span class="elrd"> 95</span> <span class="elff">Am</span><br> <span class="eltl">?/span><br><span class="elen">(243)</span></a></div> <div class="elboxs elc5"><a href="/html/oldqdychemlabchemisrtyElementsCurium.html" target="xx"><span class="elrd"> 96</span> <span class="elff">Cm</span><br> <span class="eltl">?/span><br><span class="elen">(247)</span></a></div> <div class="elboxs elc5"><a href="/html/oldqdychemlabchemisrtyElementsBerkelium.html" target="xx"><span class="elrd"> 97</span> <span class="elff">Bk</span><br> <span class="eltl">?/span><br><span class="elen">(247)</span></a></div> <div class="elboxs elc5"><a href="/html/oldqdychemlabchemisrtyElementsCalifornium.html" target="xx"><span class="elrd"> 98</span> <span class="elff">Cf</span><br> <span class="eltl">?/span><br><span class="elen">(251)</span></a></div> <div class="elboxs elc5"><a href="/html/oldqdychemlabchemisrtyElementsEinsteinium.html" target="xx"><span class="elrd"> 99</span> <span class="elff">Es</span><br> <span class="eltl">?/span><br><span class="elen">(254)</span></a></div> <div class="elboxs elc5"><a href="/html/oldqdychemlabchemisrtyElementsFermium.html" target="xx"><span class="elrd"> 100</span> <span class="elff">Fm</span><br> <span class="eltl">?/span><br><span class="elen">(257)</span></a></div> <div class="elboxs elc5"><a href="/html/oldqdychemlabchemisrtyElementsMendelevium.html" target="xx"><span class="elrd"> 101</span> <span class="elff">Md</span><br> <span class="eltl">?/span><br><span class="elen">(258)</span></a></div> <div class="elboxs elc5"><a href="/html/oldqdychemlabchemisrtyElementsNobelium.html" target="xx"><span class="elrd"> 102</span> <span class="elff">No</span><br> <span class="eltl">?/span><br><span class="elen">(259)</span></a></div> <div class="elboxs elc5"><a href="/html/oldqdychemlabchemisrtyElementsLawrencium.html" target="xx"><span class="elrd"> 103</span> <span class="elff">Lr</span><br> <span class="eltl">?/span><br><span class="elen">(260)</span></a></div> </div> <hr class="dichr"> <iframe border="0" name="xx" marginwidth="0" marginheight="0" src="Elements/Hydrogen.htm" frameborder="no" width="790" height="100%" scrolling="none" onload="this.height=xx.document.body.scrollHeight" height="438"></iframe> </div> </DIV> </DIV> </td> </tr> </table> </div> </td> </tr> </table> </div> </TD> </TR> <div align="center"> </div> <TABLE class=wrapper cellSpacing=0 cellPadding=0 width="960" border=0> <TBODY> <TR> <TD style="LINE-HEIGHT: 150%" align=middle> <div align="center"> <TABLE cellSpacing=0 width=964 border=0 id="table8" background="/indexpic/xiatiao.gif"> <TBODY><TR> <TD align=middle height=45> <div align="center"><p align="center" style="margin-top: 0; margin-bottom: 3px"> <font size="2">中心地址:四川省成都市新都区新都大道8号明德楼A?nbsp;         联系电话?28-83037312      邮编?10500</font></p> <table width="709" border="0" cellspacing="0" cellpadding="0" height="20" id="table27"><tr> <td height="20" width="612"><p align="center" style="line-height: 150%; margin-top: 0; margin-bottom: 0"> <font size="2">            网址?/font><a href="http://www.ptodbba.com"><font size="2"> </font> <font size="2" color="#000000">http://www.ptodbba.com</font></a><font size="2"> </font> <a href="/html/index.html"> <font size="2" color="#000000">西南石油大学*化学化工学院*版权所?/font></a></p></td></tr></table> </div></TD></TR></TBODY></TABLE> </div> </TD></TR></TBODY></TABLE></div> </td> </tr> </table> </td> </tr> </table> </div> <p> </div> <script type="text/javascript" src="/tongji.js"></script></body></HTML>