|
De kolom <i>Oxidatietoestanden</i> geeft de mogelijke valenties bij verbindingen. De opgave is niet volledig.
De edelgassen bijvoorbeeld hebben een axidatiestaat van 0, maar van Xenon en Krypton zijn verbindingen bekend.
<table border=1>
<tr valign="top" bgcolor="ccffff"><th><font size=2>Nr</font><th><font size=2>Sym.</font><th><font size=2>Schillen</font><th><font size=2>Subschillen</font><th><font size=2>Oxidatietoestanden</font>
<table border="0" width="750" cellpadding="0" cellspacing="0" bordercolor="#FFFFFF" align="center">
<tr valign="top"><td>1<td>H<td>1<td>1s1<td>±1
<caption>'''Periodiek Systeem der Elementen'''</caption>
<tr valign="top"><td>2<td>He<td>2<td>1s2<td>0
<tr>
<tr valign="top" bgcolor="ccffff"><th><font size=2>Nr</font><th><font size=2>Sym.</font><th><font size=2>Schillen</font><th><font size=2>Subschillen</font><th><font size=2>Oxidatietoestanden</font>
<td align="center" bgcolor="#FFFFFF" width="8%"><b><font color="#FF0000">Groep</font></b></td>
<tr valign="top"><td>3<td>Li<td>2,1<td>[He]2s1<td>+1
<td width="5%" align="center" bgcolor="#FFFFFF"><b><font color="#FF0000">[[Alkalimetaal|1]]</font></b></td>
<tr valign="top"><td>4<td>Be<td>2,2<td>[He]2s2<td>+2
<td width="5%" align="center" bgcolor="#FFFFFF"><b><font color="#FF0000">[[Aardalkalimetaal|2]]</font></b></td>
<tr valign="top"><td>5<td>B<td>2,3<td>[He]2s2 2p1<td>+3
<td width="5%" align="center" bgcolor="#FFFFFF"><b><font color="#FF0000">3</font></b></td>
<tr valign="top"><td>6<td>C<td>2,4<td>[He]2s2 2p2<td>+2,±4
<td width="5%" align="center" bgcolor="#FFFFFF"><b><font color="#FF0000">4</font></b></td>
<tr valign="top"><td>7<td>N<td>2,5<td>[He]2s2 2p3<td>±1,±2,±3,+4,+5
<td width="5%" align="center" bgcolor="#FFFFFF"><b><font color="#FF0000">5</font></b></td>
<tr valign="top"><td>8<td>O<td>2,6<td>[He]2s2 2p4<td>-2
<td width="5%" align="center" bgcolor="#FFFFFF"><b><font color="#FF0000">6</font></b></td>
<tr valign="top"><td>9<td>F<td>2,7<td>[He]2s2 2p5<td>-1
<td width="5%" align="center" bgcolor="#FFFFFF"><b><font color="#FF0000">7</font></b></td>
<tr valign="top"><td>10<td>Ne<td>2,8<td>[He]2s2 2p6<td>0
<td width="5%" align="center" bgcolor="#FFFFFF"><b><font color="#FF0000">8</font></b></td>
<tr valign="top" bgcolor="ccffff"><th><font size=2>Nr</font><th><font size=2>Sym.</font><th><font size=2>Schillen</font><th><font size=2>Subschillen</font><th><font size=2>Oxidatietoestanden</font>
<td width="5%" align="center" bgcolor="#FFFFFF"><b><font color="#FF0000">9</font></b></td>
<tr valign="top"><td>11<td>Na<td>2,8,1<td>[Ne]3s1<td>+1
<td width="5%" align="center" bgcolor="#FFFFFF"><b><font color="#FF0000">10</font></b></td>
<tr valign="top"><td>12<td>Mg<td>2,8,2<td>[Ne]3s2<td>+2
<td width="5%" align="center" bgcolor="#FFFFFF"><b><font color="#FF0000">[[Muntmetaalgroep|11]]</font></b></td>
<tr valign="top"><td>13<td>Al<td>2,8,3<td>[Ne]3s2 3p1<td>+3
<td width="5%" align="center" bgcolor="#FFFFFF"><b><font color="#FF0000">[[Zinkgroep|12]]</font></b></td>
<tr valign="top"><td>14<td>Si<td>2,8,4<td>[Ne]3s2 3p2<td>+2,±4
<td width="5%" align="center" bgcolor="#FFFFFF"><b><font color="#FF0000">[[Boorgroep|13]]</font></b></td>
<tr valign="top"><td>15<td>P<td>2,8,5<td>[Ne]3s2 3p3<td>±3,+5
<td width="5%" align="center" bgcolor="#FFFFFF"><b><font color="#FF0000">[[Koolstofgroep|14]]</font></b></td>
<tr valign="top"><td>16<td>S<td>2,8,6<td>[Ne]3s2 3p4<td>-2,+4,+6
<td width="5%" align="center" bgcolor="#FFFFFF"><b><font color="#FF0000">[[Pnicogeen|15]]</font></b></td>
<tr valign="top"><td>17<td>Cl<td>2,8,7<td>[Ne]3s2 3p5<td>±1,+5+,7
<td width="5%" align="center" bgcolor="#FFFFFF"><b><font color="#FF0000">[[Chalcogeen|16]]</font></b></td>
<tr valign="top"><td>18<td>Ar<td>2,8,8<td>[Ne]3s2 3p6<td>0
<td width="5%" align="center" bgcolor="#FFFFFF"><b><font color="#FF0000">[[Halogeen|17]]</font></b></td>
<tr valign="top" bgcolor="ccffff"><th><font size=2>Nr</font><th><font size=2>Sym.</font><th><font size=2>Schillen</font><th><font size=2>Subschillen</font><th><font size=2>Oxidatietoestanden</font>
<td width="5%" align="center" bgcolor="#FFFFFF"><b><font color="#FF0000">[[Edelgas|18]]</font></b></td>
<tr valign="top"><td>19<td>K<td>2,8,8,1<td>[Ar]4s1<td>+1
</tr>
<tr valign="top"><td>20<td>Ca<td>2,8,8,2<td>[Ar]4s2<td>+2
<tr>
<tr valign="top"><td>21<td>Sc<td>2,8,9,2<td>[Ar]4s2 3d1<td>+3
<td align="center" bgcolor="#FFFFFF" width="8%"> </td>
<tr valign="top"><td>22<td>Ti<td>2,8,10,2<td>[Ar]4s2 3d2<td>+2,+3,+4
<td width="5%" align="center" bgcolor="#FFFFFF"><b>
<tr valign="top"><td>23<td>V<td>2,8,11,2<td>[Ar]4s2 3d3<td>+2,+3,+4,+5
<font color="#000000">IA</font></b></td>
<tr valign="top"><td>24<td>Cr<td>2,8,13,1<td>[Ar]4s1 3d5<td>+2,+3,+6
<td width="5%" align="center" bgcolor="#FFFFFF"><b>
<tr valign="top"><td>25<td>Mn<td>2,8,13,2<td>[Ar]4s2 3d5<td>+2,+3,+4,+7
<font color="#000000">IIA</font></b></td>
<tr valign="top"><td>26<td>Fe<td>2,8,14,2<td>[Ar]4s2 3d6<td>+2,+3
<td width="5%" align="center" bgcolor="#FFFFFF"><b>
<tr valign="top"><td>27<td>Co<td>2,8,15,2<td>[Ar]4s2 3d7<td>+2,+3
<font color="#000000">IIIB</font></b> </td>
<tr valign="top"><td>28<td>Ni<td>2,8,16,2<td>[Ar]4s2 3d8<td>+2,+3
<td width="5%" align="center" bgcolor="#FFFFFF"><b>
<tr valign="top"><td>29<td>Cu<td>2,8,18,1<td>[Ar]4s1 3d10<td>+1,+2
<font color="#000000">IVB</font></b> </td>
<tr valign="top"><td>30<td>Zn<td>2,8,18,2<td>[Ar]4s2 3d10<td>+2
<td width="5%" align="center" bgcolor="#FFFFFF"><b>
<tr valign="top"><td>31<td>Ga<td>2,8,18,3<td>[Ar]4s2 3d10 4p1<td>+3
<font color="#000000">VB</font></b> </td>
<tr valign="top"><td>32<td>Ge<td>2,8,18,4<td>[Ar]4s2 3d10 4p2<td>+2,+4
<td width="5%" align="center" bgcolor="#FFFFFF"><b>
<tr valign="top"><td>33<td>As<td>2,8,18,5<td>[Ar]4s2 3d10 4p3<td>±3,+5
<font color="#000000">VIB</font></b> </td>
<tr valign="top"><td>34<td>Se<td>2,8,18,6<td>[Ar]4s2 3d10 4p4<td>-2,+4,+6
<td width="5%" align="center" bgcolor="#FFFFFF"><b>
<tr valign="top"><td>35<td>Br<td>2,8,18,7<td>[Ar]4s2 3d10 4p5<td>±1,5
<font color="#000000">VIIB</font></b> </td>
<tr valign="top"><td>36<td>Kr<td>2,8,18,8<td>[Ar]4s2 3d10 4p6<td>0
<td width="5%" align="center" bgcolor="#FFFFFF"><b>
<tr valign="top" bgcolor="ccffff"><th><font size=2>Nr</font><th><font size=2>Sym.</font><th><font size=2>Schillen</font><th><font size=2>Subschillen</font><th><font size=2>Oxidatietoestanden</font>
<font color="#000000">----</font></b> </td>
<tr valign="top"><td>37<td>Rb<td>2,8,18,8,1<td>[Kr]5s1<td>+1
<td width="5%" align="center" bgcolor="#FFFFFF"><b>
<tr valign="top"><td>38<td>Sr<td>2,8,18,8,2<td>[Kr]5s2<td>+2
<font color="#000000">VIIIB</font></b> </td>
<tr valign="top"><td>39<td>Y<td>2,8,18,9,2<td>[Kr]5s2 4d1<td>+3
<td width="5%" align="center" bgcolor="#FFFFFF"><b>
<tr valign="top"><td>40<td>Zr<td>2,8,18,10,2<td>[Kr]5s2 4d2<td>+4
<font color="#000000">----</font></b> </td>
<tr valign="top"><td>41<td>Nb<td>2,8,18,12,1<td>[Kr]5s1 4d4<td>+3,+5
<td width="5%" align="center" bgcolor="#FFFFFF"><b>
<tr valign="top"><td>42<td>Mo<td>2,8,18,13,1<td>[Kr]5s1 4d5<td>+6
<font color="#000000">IB</font></b> </td>
<tr valign="top"><td>43<td>Tc<td>2,8,18,13,2<td>[Kr]5s2 4d5<td>+4,+6,+7
<td width="5%" align="center" bgcolor="#FFFFFF"><b>
<tr valign="top"><td>44<td>Ru<td>2,8,18,15,1<td>[Kr]5s1 4d7<td>+3
<font color="#000000">IIB</font></b> </td>
<tr valign="top"><td>45<td>Rh<td>2,8,18,16,1<td>[Kr]5s1 4d8<td>+3
<td width="5%" align="center" bgcolor="#FFFFFF"><b>
<tr valign="top"><td>46<td>Pd<td>2,8,18,18,0<td>[Kr]5s0 4d10<td>+2,+4
<font color="#000000">IIIA</font></b></td>
<tr valign="top"><td>47<td>Ag<td>2,8,18,18,1<td>[Kr]5s1 4d10<td>+1
<td width="5%" align="center" bgcolor="#FFFFFF"><b>
<tr valign="top"><td>48<td>Cd<td>2,8,18,18,2<td>[Kr]5s2 4d10<td>+2
<font color="#000000">IVA</font></b></td>
<tr valign="top"><td>49<td>In<td>2,8,18,18,3<td>[Kr]5s2 4d10 5p1<td>+3
<td width="5%" align="center" bgcolor="#FFFFFF"><b>
<tr valign="top"><td>50<td>Sn<td>2,8,18,18,4<td>[Kr]5s2 4d10 5p2<td>+2,+4
<font color="#000000">VA</font></b></td>
<tr valign="top"><td>51<td>Sb<td>2,8,18,18,5<td>[Kr]5s2 4d10 5p3<td>±3,+5
<td width="5%" align="center" bgcolor="#FFFFFF"><b>
<tr valign="top"><td>52<td>Te<td>2,8,18,18,6<td>[Kr]5s2 4d10 5p4<td>-2,+4,+6
<font color="#000000">VIA</font></b></td>
<tr valign="top"><td>53<td>I<td>2,8,18,18,7<td>[Kr]5s2 4d10 5p5<td>±1,+5,+7
<td width="5%" align="center" bgcolor="#FFFFFF"><b>
<tr valign="top"><td>54<td>Xe<td>2,8,18,18,8<td>[Kr]5s2 4d10 5p6<td>0
<font color="#000000">VIIA</font></b></td>
<tr valign="top" bgcolor="ccffff"><th><font size=2>Nr</font><th><font size=2>Sym.</font><th><font size=2>Schillen</font><th><font size=2>Subschillen</font><th><font size=2>Oxidatietoestanden</font>
<td width="5%" align="center" bgcolor="#FFFFFF"><b>
<tr valign="top"><td>55<td>Cs<td>2,8,18,18,8,1<td>[Xe]6s1<td>+1
<font color="#000000">VIIIA</font></b></td>
<tr valign="top"><td>56<td>Ba<td>2,8,18,18,8,2<td>[Xe]6s2<td>+2
</tr>
<tr valign="top" bgcolor="ccffff"><th><font size=2>Nr</font><th><font size=2>Sym.</font><th><font size=2>Schillen</font><th><font size=2>Subschillen</font><th><font size=2>Oxidatietoestanden</font>
<tr>
<tr valign="top"><td>57<td>La<td>2,8,18,18,9,2<td>[Xe]6s2 5d1<td>+3
<td align="center" bgcolor="#FFFFFF" width="8%"><b><font color="#FF0000">Periode</font></b></td>
<tr valign="top"><td>58<td>Ce<td>2,8,18,19,9,2<td>[Xe]6s2 5d0 4f2<td>3,4
<td width="5%" align="center"> </td>
<tr valign="top"><td>59<td>Pr<td>2,8,18,21,8,2<td>[Xe]6s2 5d0 4f3<td>+3
<td width="5%" align="center"> </td>
<tr valign="top"><td>60<td>Nd<td>2,8,18,22,8,2<td>[Xe]6s2 5d0 4f4<td>+3
<td width="5%" align="center"> </td>
<tr valign="top"><td>61<td>Pm<td>2,8,18,23,8,2<td>[Xe]6s2 5d0 4f5<td>+3
<td width="5%" align="center"> </td>
<tr valign="top"><td>62<td>Sm<td>2,8,18,24,8,2<td>[Xe]6s2 5d0 4f6<td>+2,+3
<td width="5%" align="center"> </td>
<tr valign="top"><td>63<td>Eu<td>2,8,18,25,8,2<td>[Xe]6s2 5d0 4f7<td>+2,+3
<td width="5%" align="center"> </td>
<tr valign="top"><td>64<td>Gd<td>2,8,18,25,9,2<td>[Xe]6s2 5d1 4f7<td>+3
<td width="5%" align="center"> </td>
<tr valign="top"><td>65<td>Tb<td>2,8,18,27,8,2<td>[Xe]6s2 5d0 4f9<td>+3
<td width="5%" align="center"> </td>
<tr valign="top"><td>66<td>Dy<td>2,8,18,28,8,2<td>[Xe]6s2 5d0 4f10<td>+3
<td width="5%" align="center"> </td>
<tr valign="top"><td>67<td>Ho<td>2,8,18,29,8,2<td>[Xe]6s2 5d0 4f11<td>+3
<td width="5%" align="center"> </td>
<tr valign="top"><td>68<td>Er<td>2,8,18,30,8,2<td>[Xe]6s2 5d0 4f12<td>+3
<td width="5%" align="center"> </td>
<tr valign="top"><td>69<td>Tm<td>2,8,18,31,8,2<td>[Xe]6s2 5d0 4f13<td>+3
<td width="5%" align="center"> </td>
<tr valign="top"><td>70<td>Yb<td>2,8,18,32,8,2<td>[Xe]6s2 5d0 4f14<td>+2,+3
<td width="5%" align="center"> </td>
<tr valign="top"><td>71<td>Lu<td>2,8,18,32,9,2<td>[Xe]6s2 5d1 4f14<td>+3
<td width="5%" align="center"> </td>
<tr valign="top" bgcolor="ccffff"><th><font size=2>Nr</font><th><font size=2>Sym.</font><th><font size=2>Schillen</font><th><font size=2>Subschillen</font><th><font size=2>Oxidatietoestanden</font>
<td width="5%" align="center"> </td>
<tr valign="top"><td>72<td>Hf<td>2,8,18,32,10,2<td>[Xe]6s2 4f14 5d2<td>+4
<td width="5%" align="center"> </td>
<tr valign="top"><td>73<td>Ta<td>2,8,18,32,11,2<td>[Xe]6s2 4f14 5d3<td>+5
<td width="5%" align="center"> </td>
<tr valign="top"><td>74<td>W<td>2,8,18,32,12,2<td>[Xe]6s2 4f14 5d4<td>+6
<td width="5%" align="center"> </td>
<tr valign="top"><td>75<td>Re<td>2,8,18,32,13,2<td>[Xe]6s2 4f14 5d5<td>+4,+6,+7
</tr>
<tr valign="top"><td>76<td>Os<td>2,8,18,32,14,2<td>[Xe]6s2 4f14 5d6<td>+3,+4
<tr>
<tr valign="top"><td>77<td>Ir<td>2,8,18,32,15,2<td>[Xe]6s2 4f14 5d7<td>+3,+4
<td align="center" bgcolor="#FFFFFF" width="8%"><b><font color="#FF0000">1</font></b><br><br><sub><i>1s</i></sub></td>
<tr valign="top"><td>78<td>Pt<td>2,8,18,32,16,2<td>[Xe]6s1 4f14 5d9<td>+2,+4
<td width="5%" align="center" bgcolor="#a0ffa0">1<br>
<tr valign="top"><td>79<td>Au<td>2,8,18,32,18,1<td>[Xe]6s1 4f14 5d10<td>+1,+3
[[Waterstof|H]]<br><sub><i>1</i></sub></td>
<tr valign="top"><td>80<td>Hg<td>2,8,18,32,18,2<td>[Xe]6s2 4f14 5d10<td>+1,+2
<td width="5%" align="center"> </td>
<tr valign="top"><td>81<td>Tl<td>2,8,18,32,18,3<td>[Xe]6s2 4f14 5d10 6p1<td>+1,+3
<td width="5%" align="center"> </td>
<tr valign="top"><td>82<td>Pb<td>2,8,18,32,18,4<td>[Xe]6s2 4f14 5d10 6p2<td>+2.+4
<td width="5%" align="center"> </td>
<tr valign="top"><td>83<td>Bi<td>2,8,18,32,18,5<td>[Xe]6s2 4f14 5d10 6p3<td>+3,+5
<td width="5%" align="center"> </td>
<tr valign="top"><td>84<td>Po<td>2,8,18,32,18,6<td>[Xe]6s2 4f14 5d10 6p4<td>+2,+4,+6
<td width="5%" align="center"> </td>
<tr valign="top"><td>85<td>At<td>2,8,18,32,18,7<td>[Xe]4f14 5d10 6s2 6p5<td>±1,5,7
<td width="5%" align="center"> </td>
<tr valign="top"><td>86<td>Rn<td>2,8,18,32,18,8<td>[Xe]6s2 4f14 5d10 6p6<td>0
<td width="5%" align="center"> </td>
<tr valign="top" bgcolor="ccffff"><th><font size=2>Nr</font><th><font size=2>Sym.</font><th><font size=2>Schillen</font><th><font size=2>Subschillen</font><th><font size=2>Oxidatietoestanden</font>
<td width="5%" align="center"> </td>
<tr valign="top"><td>87<td>Fr<td>2,8,18,32,18,8,1<td>[Rn]7s1<td>+1
<td width="5%" align="center"> </td>
<tr valign="top"><td>88<td>Ra<td>2,8,18,32,18,8,2<td>[Rn]7s2<td>+2
<td width="5%" align="center"> </td>
<tr valign="top" bgcolor="ccffff"><th><font size=2>Nr</font><th><font size=2>Sym.</font><th><font size=2>Schillen</font><th><font size=2>Subschillen</font><th><font size=2>Oxidatietoestanden</font>
<td width="5%" align="center"> </td>
<tr valign="top"><td>89<td>Ac<td>2,8,18,32,18,9,2<td>[Rn]7s2 6d1<td>+3
<td width="5%" align="center"> </td>
<tr valign="top"><td>90<td>Th<td>2,8,18,32,18,10,2<td>[Rn]7s2 6d2<td>+4
<td width="5%" align="center"> </td>
<tr valign="top"><td>91<td>Pa<td>2,8,18,32,20,9,2<td>[Rn]7s2 5f2 6d1<td>+4,+5
<td width="5%" align="center"> </td>
<tr valign="top"><td>92<td>U<td>2,8,18,32,21,9,2<td>[Rn]7s2 5f3 6d1<td>+3,+4,+5,+6
<td width="5%" align="center"> </td>
<tr valign="top"><td>93<td>Np<td>2,8,18,32,22,9,2<td>[Rn]7s2 5f4 6d1<td>+3,+4,+5,+6
<td width="5%" align="center"> </td>
<tr valign="top"><td>94<td>Pu<td>2,8,18,32,24,8,2<td>[Rn]7s2 5f6<td>+3,+4,+5,+6
<td width="5%" align="center" bgcolor="#c0ffff">2<br>
<tr valign="top"><td>95<td>Am<td>2,8,18,32,25,8,2<td>[Rn]7s2 5f7<td>+3,+4,+5,+6
[[Helium|He]]<br><sub><i>2</i></sub></td>
<tr valign="top"><td>96<td>Cm<td>2,8,18,32,25,9,2<td>[Rn]7s2 5f7 6d1<td>+3
</tr>
<tr valign="top"><td>97<td>Bk<td>2,8,18,32,27,8,2<td>[Rn]7s2 5f9<td>+3,+4
<tr><td colspan="19"> </td></tr>
<tr valign="top"><td>98<td>Cf<td>2,8,18,32,28,8,2<td>[Rn]7s2 5f10<td>+3
<tr>
<tr valign="top"><td>99<td>Es<td>2,8,18,32,29,8,2<td>[Rn]7s2 5f11<td>+3
<td align="center" bgcolor="#FFFFFF" width="8%"><b><font color="#FF0000">2</font></b><br> <br><i><sub>2s<br>2p</sub></i></td>
<tr valign="top"><td>100<td>Fm<td>2,8,18,32,30,8,2<td>[Rn]7s2 5f12<td>+3
<td width="5%" align="center" bgcolor="#FF6666">3<br>
<tr valign="top"><td>101<td>Md<td>2,8,18,32,31,8,2<td>[Rn]7s2 5f13<td>+2,+3
[[Litium|Li]]<br><sub><i>1<br> </i></sub></td>
<tr valign="top"><td>102<td>No<td>2,8,18,32,32,8,2<td>[Rn]7s2 5f14<td>+2,+3
<td width="5%" align="center" bgcolor="#FFDEAD">4<br>
<tr valign="top"><td>103<td>Lr<td>2,8,18,32,32,9,2<td>[Rn]7s2 5f14 6d1<td>+3
[[Beryllium|Be]]<br><sub><i>2<br> </i></sub></td>
<tr valign="top" bgcolor="ccffff"><th><font size=2>Nr</font><th><font size=2>Sym.</font><th><font size=2>Schillen</font><th><font size=2>Subschillen</font><th><font size=2>Oxidatietoestanden</font>
<td width="5%" align="center"> </td>
<tr valign="top"><td>104<td>Rf<td>2,8,18,32,32,10,2<td>[Rn]7s2 5f14 6d2<td>+4
<td width="5%" align="center"> </td>
<tr valign="top"><td>105<td>Db<td>2,8,18,32,32,11,2<td>[Rn]7s2 5f14 6d3<td>?
<td width="5%" align="center"> </td>
<tr valign="top"><td>106<td>Sg<td>2,8,18,32,32,12,2<td>[Rn]7s2 5f14 6d4<td>?
<td width="5%" align="center"> </td>
<tr valign="top"><td>107<td>Bh<td>2,8,18,32,32,13,2<td>[Rn]7s2 5f14 6d5<td>?
<td width="5%" align="center"> </td>
<tr valign="top"><td>108<td>Hs<td>2,8,18,32,32,14,2<td>[Rn]7s2 5f14 6d6<td>?
<td width="5%" align="center"> </td>
<tr valign="top"><td>109<td>Mt<td>2,8,18,32,32,15,2<td>[Rn]7s2 5f14 6d7<td>?
<td width="5%" align="center"> </td>
<tr valign="top"><td>110<td>Uun<td>2,8,18,32,32,16,2<td>[Rn]7s1 5f14 6d9<td>?
<td width="5%" align="center"> </td>
<tr valign="top"><td>111<td>Uuu<td>2,8,18,32,32,17,2<td>[Rn]7s1 5f14 6d10<td>?
<td width="5%" align="center"> </td>
<tr valign="top"><td>112<td>Uub<td>2,8,18,32,32,18,2<td>[Rn]7s2 5f14 6d10<td>?
<td width="5%" align="center"> </td>
<tr valign="top"><td>113<td>Uut<td>2,8,18,32,32,18,3<td>[Rn]7s2 5f14 6d10 7p1<td>?
<td width="5%" align="center" bgcolor="#cccc99">5<br>
<tr valign="top"><td>114<td>Uuq<td>2,8,18,32,32,20,2<td>[Rn]7s2 5f14 6d10 7p2<td>?
[[Boor|B]]<br><sub><i>2<br>1</i></sub></td>
<tr valign="top"><td>115<td>Uup<td>?<td>?<td>?
<td width="5%" align="center" bgcolor="#a0ffa0">6<br>
<tr valign="top"><td>116<td>Uuh<td>2,8,18,32,32,22,2<td>[Rn]7s2 5f14 6d10 7p4<td>?
[[Koolstof|C]]<br><sub><i>2<br>2</i></sub></td>
<tr valign="top"><td>117<td>Uus<td>?<td>?<td>?
<td width="5%" align="center" bgcolor="#a0ffa0">7<br>
<tr valign="top"><td>118<td>Uuo<td>2,8,18,32,32,24,2<td>[Rn]7s2 5f14 6d10 7p6<td>?
[[Stikstof|N]]<br><sub><i>2<br>3</i></sub></td>
</table><p>
<td width="5%" align="center" bgcolor="#a0ffa0">8<br>
<p>
[[Zuurstof|O]]<br><sub><i>2<br>4</i></sub></td>
<td width="5%" align="center" bgcolor="#ffff99">9<br>
[[Fluor|F]]<br><sub><i>2<br>5</i></sub></td>
<td width="5%" align="center" bgcolor="#c0ffff">10<br>
[[Neon|Ne]]<br><sub><i>2<br>6</i></sub></td>
</tr>
<tr>
<td width="5%" align="center"> </td>
<td>Li=<nowiki>[</nowiki>[[Helium|He]]<nowiki>]</nowiki>2s<sup>1</sup></td>
<td>Be=<nowiki>[</nowiki>[[Helium|He]]<nowiki>]</nowiki>2s<sup>2</sup></td>
<td width="5%" align="center"> </td>
<td width="5%" align="center"> </td>
<td width="5%" align="center"> </td>
<td width="5%" align="center"> </td>
<td width="5%" align="center"> </td>
<td width="5%" align="center"> </td>
<td width="5%" align="center"> </td>
<td width="5%" align="center"> </td>
<td width="5%" align="center"> </td>
<td width="5%" align="center"> </td>
<<td>B=<nowiki>[</nowiki>[[Helium|He]]<nowiki>]</nowiki>2s<sup>2</sup>2p<sup>1</sup></td>
<<td>C=<nowiki>[</nowiki>[[Helium|He]]<nowiki>]</nowiki>2s<sup>2</sup>2p<sup>2</sup></td>
<<td>N=<nowiki>[</nowiki>[[Helium|He]]<nowiki>]</nowiki>2s<sup>2</sup>2p<sup>3</sup></td>
<td>O=<nowiki>[</nowiki>[[Helium|He]]<nowiki>]</nowiki>2s<sup>2</sup>2p<sup>4</sup></td>
<td>F=<nowiki>[</nowiki>[[Helium|He]]<nowiki>]</nowiki>2s<sup>2</sup>2<sup>5</sup></td>
<td>Ne=<nowiki>[</nowiki>[[Helium|He]]<nowiki>]</nowiki>2s<sup>2</sup>2<sup>6</sup></td>
</tr>
<tr><td colspan="19"> </td></tr>
<tr>
<td align="center" bgcolor="#FFFFFF" width="8%"><b><font color="#FF0000">3</font></b><br> <br><i><sub>3s<br>3p</sub></i></td>
<td width="5%" align="center" bgcolor="#ff6666">11<br>
[[Natrium|Na]]<br><sub><i>1<br> </i></sub></td>
<td width="5%" align="center" bgcolor="#FFDEAD">12<br>
[[Magnesium|Mg]]<br><sub><i>2<br> </i></sub></td>
<td width="5%" align="center"> </td>
<td width="5%" align="center"> </td>
<td width="5%" align="center"> </td>
<td width="5%" align="center"> </td>
<td width="5%" align="center"> </td>
<td width="5%" align="center"> </td>
<td width="5%" align="center"> </td>
<td width="5%" align="center"> </td>
<td width="5%" align="center"> </td>
<td width="5%" align="center"> </td>
<td width="5%" align="center" bgcolor="#cccccc">13<br>
[[Aluminium|Al]]<br><sub><i>2<br>1</i></sub></td>
<td width="5%" align="center" bgcolor="#cccc99">14<br>
[[Silicium|Si]]<br><sub><i>2<br>2</i></sub></td>
<td width="5%" align="center" bgcolor="#a0ffa0">15<br>
[[Fosfor|P]]<br><sub><i>2<br>3</i></sub></td>
<td width="5%" align="center" bgcolor="#a0ffa0">16<br>
[[Zwavel|S]]<br><sub><i>2<br>4</i></sub></td>
<td width="5%" align="center" bgcolor="#ffff99">17<br>
[[Chloor|Cl]]<br><sub><i>2<br>5</i></sub></td>
<td width="5%" align="center" bgcolor="#c0ffff">18<br>
[[Argon|Ar]]<br><sub><i>2<br>6</i></sub></td>
</tr>
<tr>
<td width="5%" align="center"> </td>
<td>Na=<nowiki>[</nowiki>[[Neon|Ne]]<nowiki>]</nowiki>3s<sup>1</sup></td>
<td>Mg=<nowiki>[</nowiki>[[Neon|Ne]]<nowiki>]</nowiki>3s<sup>2</sup></td>
<td width="5%" align="center"> </td>
<td width="5%" align="center"> </td>
<td width="5%" align="center"> </td>
<td width="5%" align="center"> </td>
<td width="5%" align="center"> </td>
<td width="5%" align="center"> </td>
<td width="5%" align="center"> </td>
<td width="5%" align="center"> </td>
<td width="5%" align="center"> </td>
<td width="5%" align="center"> </td>
<td>Al=<nowiki>[</nowiki>[[Neon|Ne]]<nowiki>]</nowiki>3s<sup>2</sup>3p<sup>1</sup></td>
<td>Si=<nowiki>[</nowiki>[[Neon|Ne]]<nowiki>]</nowiki>3s<sup>2</sup>3p<sup>2</sup></td>
<td>P=<nowiki>[</nowiki>[[Neon|Ne]]<nowiki>]</nowiki>3s<sup>2</sup>3p<sup>3</sup></td>
<td>S=<nowiki>[</nowiki>[[Neon|Ne]]<nowiki>]</nowiki>3s<sup>2</sup>3p<sup>4</sup></td>
<td>Cl=<nowiki>[</nowiki>[[Neon|Ne]]<nowiki>]</nowiki>3s<sup>2</sup>3p<sup>5</sup></td>
<td>Ar=<nowiki>[</nowiki>[[Neon|Ne]]<nowiki>]</nowiki>3s<sup>2</sup>3p<sup>6</sup></td>
</tr>
<tr><td colspan="19"> </td></tr>
<tr>
<td align="center" bgcolor="#FFFFFF" width="8%"><b><font color="#FF0000">4</font></b><br> <br><i><sub>4s<br>3d<br>4p</sub></i></td>
<td width="5%" align="center" bgcolor="#FF6666">19<br>
[[Kalium|K]]<br><sub><i>1<br> <br> </i></sub></td>
<td width="5%" align="center" bgcolor="#FFDEAD">20<br>
[[Calcium|Ca]]<br><sub><i>2<br> <br> </i></sub></td>
<td width="5%" align="center" bgcolor="#ffc0c0">21<br>
[[Scandium|Sc]]<br><sub><i>2<br>1<br> </i></sub></td>
<td width="5%" align="center" bgcolor="#ffc0c0">22<br>
[[Titanium|Ti]]<br><sub><i>2<br>2<br> </i></sub></td>
<td width="5%" align="center" bgcolor="#ffc0c0">23<br>
[[Vanadium|V]]<br><sub><i>2<br>3<br> </i></sub></td>
<td width="5%" align="center" bgcolor="#ffc0c0">24<br>
[[Chroom|Cr]]<br><sub><i>1<br>5<br> </i></sub></td>
<td width="5%" align="center" bgcolor="#ffc0c0">25<br>
[[Mangaan|Mn]]<br><sub><i>2<br>5<br> </i></sub></td>
<td width="5%" align="center" bgcolor="#ffc0c0">26<br>
[[IJzer (metaal)|Fe]]<br><sub><i>2<br>6<br> </i></sub></td>
<td width="5%" align="center" bgcolor="#ffc0c0">27<br>
[[Kobalt|Co]]<br><sub><i>2<br>7<br> </i></sub></td>
<td width="5%" align="center" bgcolor="#ffc0c0">28<br>
[[Nikkel|Ni]]<br><sub><i>2<br>8<br> </i></sub></td>
<td width="5%" align="center" bgcolor="#ffc0c0">29<br>
[[Cu]]<br><sub><i>1<br>10<br> </i></sub></td>
<td width="5%" align="center" bgcolor="#ffc0c0">30<br>
[[Zink|Zn]]<br><sub><i>2<br>10<br> </i></sub></td>
<td width="5%" align="center" bgcolor="#cccccc">31<br>
[[Gallium|Ga]]<br><sub><i>2<br>10<br>1</i></sub></td>
<td width="5%" align="center" bgcolor="#cccc99">32<br>
[[Germanium|Ge]]<br><sub><i>2<br>10<br>2</i></sub></td>
<td width="5%" align="center" bgcolor="#cccc99">33<br>
[[Arseen|As]]<br><sub><i>2<br>10<br>3</i></sub></td>
<td width="5%" align="center" bgcolor="#a0ffa0">34<br>
[[Selenium|Se]]<br><sub><i>2<br>10<br>4</i></sub></td>
<td width="5%" align="center" bgcolor="#ffff99">35<br>
[[Broom|Br]]<br><sub><i>2<br>10<br>5</i></sub></td>
<td width="5%" align="center" bgcolor="#c0ffff">36<br>
[[Krypton|Kr]]<br><sub><i>2<br>10<br>6</i></sub></td>
</tr>
<tr><td colspan="19"> </td></tr>
<tr>
<td align="center" bgcolor="#FFFFFF" width="8%"><b>
<font color="#FF0000">5</font></b><br> <br><i><sub>5s<br>4d<br>5p</sub></i></td>
<td width="5%" align="center" bgcolor="#FF6666">37<br>
[[Rubidium|Rb]]<br><sub><i>1<br> <br> </i></sub></td>
<td width="5%" align="center" bgcolor="#FFDEAD">38<br>
[[Strontium|Sr]]<br><sub><i>2<br> <br> </i></sub></td>
<td width="5%" align="center" bgcolor="#ffc0c0">39<br>
[[Yttrium|Y]]<br><sub><i>2<br>1<br> </i></sub></td>
<td width="5%" align="center" bgcolor="#ffc0c0">40<br>
[[Zirkoon|Zr]]<br><sub><i>2<br>2<br> </i></sub></td>
<td width="5%" align="center" bgcolor="#ffc0c0">41<br>
[[Niobium|Nb]]<br><sub><i>1<br>4<br> </i></sub></td>
<td width="5%" align="center" bgcolor="#ffc0c0">42<br>
[[Molybdeen|Mo]]<br><sub><i>2<br>4<br> </i></sub></td>
<td width="5%" align="center" bgcolor="#ffc0c0">(43)<br>
[[Technetium|Tc]]<br><sub><i>2<br>5<br> </i></sub></td>
<td width="5%" align="center" bgcolor="#ffc0co">44<br>
[[Ruthenium|Ru]]<br><sub><i>2<br>6<br> </i></sub></td>
<td width="5%" align="center" bgcolor="#ffc0c0">45<br>
[[Rhodium|Rh]]<br><sub><i>2<br>7<br> </i></sub></td>
<td width="5%" align="center" bgcolor="#ffc0c0">46<br>
[[Palladium|Pd]]<br><sub><i>0<br>10<br> </i></sub></td>
<td width="5%" align="center" bgcolor="#ffc0c0">47<br>
[[Zilver|Ag]]<br><sub><i>1<br>10<br> </i></sub></td>
<td width="5%" align="center" bgcolor="#ffc0c0">48<br>
[[Cadmium|Cd]]<br><sub><i>2<br>10<br> </i></sub></td>
<td width="5%" align="center" bgcolor="#cccccc">49<br>
[[Indium|In]]<br><sub><i>2<br>10<br>1</i></sub></td>
<td width="5%" align="center" bgcolor="#cccccc">50<br>
[[Tin|Sn]]<br><sub><i>2<br>10<br>2</i></sub></td>
<td width="5%" align="center" bgcolor="#cccc99">51<br>
[[Antimoon|Sb]]<br><sub><i>2<br>10<br>3</i></sub></td>
<td width="5%" align="center" bgcolor="#cccc99">52<br>
[[Tellurium|Te]]<br><sub><i>2<br>10<br>4</i></sub></td>
<td width="5%" align="center" bgcolor="#ffff99">53<br>
[[Jodium|I]]<br><sub><i>2<br>10<br>5</i></sub></td>
<td width="5%" align="center" bgcolor="#c0ffff">54<br>
[[Xenon|Xe]]<br><sub><i>2<br>10<br>6</i></sub></td>
</tr>
<tr><td colspan="19"> </td></tr>
<tr>
<td align="center" bgcolor="#FFFFFF" width="8%"><b><font color="#FF0000">6</font></b><br> <br><i><sub>6s<br>4f<br>5d<br>6p</sub></i></td>
<td width="5%" align="center" bgcolor="#FF6666">55<br>
[[Cesium|Cs]]<br><sub><i>1<br> <br> <br> </i></sub></td>
<td width="5%" align="center" bgcolor="#FFDEAD">56<br>
[[Barium|Ba]]<br><sub><i>2<br> <br> <br> </i></sub></td>
<td width="5%" align="center">*</td>
<td width="5%" align="center" bgcolor="#ffc0c0">72<br>
[[Hafnium|Hf]]<br><sub><i>2<br>14<br>2<br> </i></sub></td>
<td width="5%" align="center" bgcolor="#ffc0c0">73<br>
[[Tantalium|Ta]]<br><sub><i>2<br>14<br>3<br> </i></sub></td>
<td width="5%" align="center" bgcolor="#ffc0c0">74<br>
[[Wolfraam|W]]<br><sub><i>2<br>14<br>4<br> </i></sub></td>
<td width="5%" align="center" bgcolor="#ffc0c0">75<br>
[[Renium|Re]]<br><sub><i>2<br>14<br>5<br> </i></sub></td>
<td width="5%" align="center" bgcolor="#ffc0c0">76<br>
[[Osmium|Os]]<br><sub><i>2<br>14<br>6<br> </i></sub></td>
<td width="5%" align="center" bgcolor="#ffc0c0">77<br>
[[Iridium|Ir]]<br><sub><i>2<br>14<br>7<br> </i></sub></td>
<td width="5%" align="center" bgcolor="#ffc0c0">78<br>
[[Platina|Pt]]<br><sub><i>2<br>14<br>8<br> </i></sub></td>
<td width="5%" align="center" bgcolor="#ffc0c0">79<br>
[[Goud|Au]]<br><sub><i>2<br>14<br>9<br> </i></sub></td>
<td width="5%" align="center" bgcolor="#ffc0c0">80<br>
[[Kwik|Hg]]<br><sub><i>2<br>14<br>10<br> </i></sub></td>
<td width="5%" align="center" bgcolor="#cccccc">81<br>
[[Thallium|Tl]]<br><sub><i>2<br>14<br>10<br>1</i></sub></td>
<td width="5%" align="center" bgcolor="#cccccc">82<br>
[[Lood|Pb]]<br><sub><i>2<br>14<br>10<br>2</i></sub></td>
<td width="5%" align="center" bgcolor="#cccccc">83<br>
[[Bismut|Bi]]<br><sub><i>2<br>14<br>10<br>3</i></sub></td>
<td width="5%" align="center" bgcolor="#cccc99">84<br>
[[Polonium|Po]]<br><sub><i>2<br>14<br>10<br>4</i></sub></td>
<td width="5%" align="center" bgcolor="#ffff99">85<br>
[[Astaat|At]]<br><sub><i>2<br>14<br>10<br>5</i></sub></td>
<td width="5%" align="center" bgcolor="#c0ffff">86<br>
[[Radon|Rn]]<br><sub><i>2<br>14<br>10<br>6</i></sub></td>
</tr>
<tr><td colspan="19"> </td></tr>
<tr>
<td align="center" bgcolor="#FFFFFF" width="8%"><b><font color="#FF0000">7</font></b><br> <br><i><sub>7s<br>5f<br>6d<br>7p</sub></i></td>
<td width="5%" align="center" bgcolor="#FF7676">87<br>
[[Francium|Fr]]<br><sub><i>1<br> <br> <br> </i></sub></td>
<td width="5%" align="center" bgcolor="#FFDEAD">88<br>
[[Radium|Ra]]<br><sub><i>2<br> <br> <br> </i></sub></td>
<td width="5%" align="center">**</td>
<td width="5%" align="center" bgcolor="#ffc0c0">(104)<br>
[[Rutherfordium|Rf]]<br><sub><i>2<br>14<br>2<br> </i></sub></td>
<td width="5%" align="center" bgcolor="#ffc0c0">(105)<br>
[[Dubnium|Db]]<br><sub><i>2<br>14<br>3<br> </i></sub></td>
<td width="5%" align="center" bgcolor="#ffc0c0">(106)<br>
[[Seaborgium|Sg]]<br><sub><i>2<br>14<br>4<br> </i></sub></td>
<td width="5%" align="center" bgcolor="#ffc0c0">(107)<br>
[[Bohrium|Bh]]<br><sub><i>2<br>14<br>5<br> </i></sub></td>
<td width="5%" align="center" bgcolor="#ffc0c0">(108)<br>
[[Hassium|Hs]]<br><sub><i>2<br>14<br>6<br> </i></sub></td>
<td width="5%" align="center" bgcolor="#ffc0c0">(109)<br>
[[Meitnerium|Mt]]<br><sub><i>2<br>14<br>7<br> </i></sub></td>
<td width="5%" align="center" bgcolor="#ffc0c0">(110)<br>
[[Ununnilium|Uun]]<br><sub><i>2<br>14<br>8<br> </i></sub></td>
<td width="5%" align="center" bgcolor="#ffc0c0">(111)<br>
[[Unununium|Uuu]]<br><sub><i>2<br>14<br>9<br> </i></sub></td>
<td width="5%" align="center" bgcolor="#ffc0c0">(112)<br>
[[Ununbium|Uub]]<br><sub><i>2<br>14<br>10<br> </i></sub></td>
</tr>
<!-- /table -->
<tr><td> </td></tr>
<!-- table border="0" width="680" cellpadding="0" cellspacing="0" align="center" bordercolor="#FFFFFF" -->
<tr>
<td colspan="3" bgcolor="#FFFFFF" align="center"><b><font color="#FF0000">[[Lanthanide|Lanthaniden]]</font></b> *<br> <br><i><sub>6s<br>4f<br>5d</sub></i></td>
<td width="5%" align="center" bgcolor="#FFBFFF">57<br>
[[Lanthanium|La]]<br><sub><i>2<br> <br>1</i></sub></td>
<td width="5%" align="center" bgcolor="#FFBFFF">58<br>
[[Cerium|Ce]]<br><sub><i>2<br>2<br>0</i></sub></td>
<td width="5%" align="center" bgcolor="#FFBFFF">59<br>
[[Praseodymium|Pr]]<br><sub><i>2<br>3<br>0</i></sub></td>
<td width="5%" align="center" bgcolor="#FFBFFF">60<br>
[[Neodymium|Nd]]<br><sub><i>2<br>4<br>0</i></sub></td>
<td width="5%" align="center" bgcolor="#FFBFFF">(61)<br>
[[Promethium|Pm]]<br><sub><i>2<br>5<br>0</i></sub></td>
<td width="5%" align="center" bgcolor="#FFBFFF">62<br>
[[Samarium|Sm]]<br><sub><i>2<br>6<br>0</i></sub></td>
<td width="5%" align="center" bgcolor="#FFBFFF">63<br>
[[Europium|Eu]]<br><sub><i>2<br>7<br>0</i></sub></td>
<td width="5%" align="center" bgcolor="#FFBFFF">64<br>
[[Gadolinium|Gd]]<br><sub><i>2<br>7<br>1</i></sub></td>
<td width="5%" align="center" bgcolor="#FFBFFF">65<br>
[[Terbium|Tb]]<br><sub><i>2<br>9<br>0</i></sub></td>
<td width="5%" align="center" bgcolor="#FFBFFF">66<br>
[[Dysprosium|Dy]]<br><sub><i>2<br>10<br>0</i></sub></td>
<td width="5%" align="center" bgcolor="#FFBFFF">67<br>
[[Holmium|Ho]]<br><sub><i>2<br>11<br>0</i></sub></td>
<td width="5%" align="center" bgcolor="#FFBFFF">68<br>
[[Erbium|Er]]<br><sub><i>2<br>12<br>0</i></sub></td>
<td width="5%" align="center" bgcolor="#FFBFFF">69<br>
[[Thulium|Tm]]<br><sub><i>2<br>13<br>0</i></sub></td>
<td width="5%" align="center" bgcolor="#FFBFFF">70<br>
[[Ytterbium|Yb]]<br><sub><i>2<br>14<br>0</i></sub></td>
<td width="5%" align="center" bgcolor="#ffbfff">71<br>
[[Lutetium|Lu]]<br><sub><i>2<br>14<br>1</i></sub></td>
<td width="5%" align="center"> </td>
<td width="5%" align="center"> </td>
</tr>
<tr><td colspan="16"> </td></tr>
<tr>
<td colspan="3" bgcolor="#FFFFFF" align="center"><b><font color="#FF0000">[[Actinide|Actiniden]]</font></b> **<br> <br><i><sub>7s<br>5f<br>6d</sub></i></td>
<td width="5%" align="center" bgcolor="#ef99cc">89<br>
[[Actinium|Ac]]<br><sub><i>2<br> <br>1</i></sub></td>
<td width="5%" align="center" bgcolor="#ef99cc">90<br>
[[Thorium|Th]]<br><sub><i>2<br>0<br>2</i></sub></td>
<td width="5%" align="center" bgcolor="#ef99cc">91<br>
[[Protactinium|Pa]]<br><sub><i>2<br>2<br>1</i></sub></td>
<td width="5%" align="center" bgcolor="#ef99cc">92<br>
[[Uranium|U]]<br><sub><i>2<br>3<br>1</i></sub></td>
<td width="5%" align="center" bgcolor="#ef99cc">(93)<br>
[[Neptunium|Np]]<br><sub><i>2<br>4<br>1</i></sub></td>
<td width="5%" align="center" bgcolor="#ef99cc">(94)<br>
[[Plutonium|Pu]]<br><sub><i>2<br>6<br>0</i></sub></td>
<td width="5%" align="center" bgcolor="#ef99cc">(95)<br>
[[Americium|Am]]<br><sub><i>2<br>7<br>0</i></sub></td>
<td width="5%" align="center" bgcolor="#ef99cc">(96)<br>
[[Curium|Cm]]<br><sub><i>2<br>7<br>1</i></sub></td>
<td width="5%" align="center" bgcolor="#ef99cc">(97)<br>
[[Berkelium|Bk]]<br><sub><i>2<br>9<br>0</i></sub></td>
<td width="5%" align="center" bgcolor="#ef99cc">(98)<br>
[[Californium|Cf]]<br><sub><i>2<br>10<br>0</i></sub></td>
<td width="5%" align="center" bgcolor="#ef99cc">(99)<br>
[[Einsteinium|Es]]<br><sub><i>2<br>11<br>0</i></sub></td>
<td width="5%" align="center" bgcolor="#ef99cc">(100)<br>
[[Fermium|Fm]]<br><sub><i>2<br>12<br>0</i></sub></td>
<td width="5%" align="center" bgcolor="#ef99cc">(101)<br>
[[Mendelevium|Md]]<br><sub><i>2<br>13<br>0</i></sub></td>
<td width="5%" align="center" bgcolor="#ef99cc">(102)<br>
[[Nobelium|No]]<br><sub><i>2<br>14<br>0</i></sub></td>
<td width="5%" align="center" bgcolor="#ef99cc">(103)<br>
[[Lawrencium|Lr]]<br><sub><i>2<br>14<br>1</i></sub></td>
<td width="5%" align="center"> </td>
<td width="5%" align="center"> </td>
</tr>
</table>
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