<table cellpadding="3" cellspacing="0">
<tr>
<td></td>
<td></td>
<td></td>
<td><b>-1</b></td>
<td><b><a href="/wiki/Hydrogen" title="Hydrogen">H</a></b></td>
<td><b>+1</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr style="background:lightgray">
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Helium" title="Helium">He</a></b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Lithium" title="Lithium">Li</a></b></td>
<td><b>+1</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Beryllium" title="Beryllium">Be</a></b></td>
<td></td>
<td><b>+2</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Boron" title="Boron">B</a></b></td>
<td>+1</td>
<td>+2</td>
<td><b>+3</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td><b>-4</b></td>
<td>-3</td>
<td>-2</td>
<td>-1</td>
<td><b><a href="/wiki/Carbon" title="Carbon">C</a></b></td>
<td>+1</td>
<td>+2</td>
<td>+3</td>
<td><b>+4</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td><b>-3</b></td>
<td>-2</td>
<td>-1</td>
<td><b><a href="/wiki/Nitrogen" title="Nitrogen">N</a></b></td>
<td>+1</td>
<td>+2</td>
<td><b>+3</b></td>
<td>+4</td>
<td><b>+5</b></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td><b>-2</b></td>
<td>-1</td>
<td><b><a href="/wiki/Oxygen" title="Oxygen">O</a></b></td>
<td>+1</td>
<td>+2</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td><b>-1</b></td>
<td><b><a href="/wiki/Fluorine" title="Fluorine">F</a></b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr style="background:lightgray">
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Neon" title="Neon">Ne</a></b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td>-1</td>
<td><b><a href="/wiki/Sodium" title="Sodium">Na</a></b></td>
<td><b>+1</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Magnesium" title="Magnesium">Mg</a></b></td>
<td>+1</td>
<td><b>+2</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td><sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span>[</span>2<span>]</span></a></sup></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Aluminium" title="Aluminium">Al</a></b></td>
<td>+1</td>
<td></td>
<td><b>+3</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td><b>-4</b></td>
<td>-3</td>
<td>-2</td>
<td>-1</td>
<td><b><a href="/wiki/Silicon" title="Silicon">Si</a></b></td>
<td>+1</td>
<td>+2</td>
<td>+3</td>
<td><b>+4</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td><b>-3</b></td>
<td>-2</td>
<td>-1</td>
<td><b><a href="/wiki/Phosphorus" title="Phosphorus">P</a></b></td>
<td>+1</td>
<td>+2</td>
<td><b>+3</b></td>
<td>+4</td>
<td><b>+5</b></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td><b>-2</b></td>
<td>-1</td>
<td><b><a href="/wiki/Sulfur" title="Sulfur">S</a></b></td>
<td>+1</td>
<td><b>+2</b></td>
<td>+3</td>
<td><b>+4</b></td>
<td>+5</td>
<td><b>+6</b></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td><b>-1</b></td>
<td><b><a href="/wiki/Chlorine" title="Chlorine">Cl</a></b></td>
<td><b>+1</b></td>
<td>+2</td>
<td><b>+3</b></td>
<td>+4</td>
<td><b>+5</b></td>
<td>+6</td>
<td><b>+7</b></td>
<td></td>
</tr>
<tr style="background:lightgray">
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Argon" title="Argon">Ar</a></b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td>-1</td>
<td><b><a href="/wiki/Potassium" title="Potassium">K</a></b></td>
<td><b>+1</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Calcium" title="Calcium">Ca</a></b></td>
<td></td>
<td><b>+2</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Scandium" title="Scandium">Sc</a></b></td>
<td>+1</td>
<td>+2</td>
<td><b>+3</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td>-1</td>
<td><b><a href="/wiki/Titanium" title="Titanium">Ti</a></b></td>
<td></td>
<td>+2</td>
<td>+3</td>
<td><b>+4</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td>-1</td>
<td><b><a href="/wiki/Vanadium" title="Vanadium">V</a></b></td>
<td>+1</td>
<td>+2</td>
<td>+3</td>
<td>+4</td>
<td><b>+5</b></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td>-2</td>
<td>-1</td>
<td><b><a href="/wiki/Chromium" title="Chromium">Cr</a></b></td>
<td>+1</td>
<td>+2</td>
<td><b>+3</b></td>
<td>+4</td>
<td>+5</td>
<td><b>+6</b></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td>-3</td>
<td>-2</td>
<td>-1</td>
<td><b><a href="/wiki/Manganese" title="Manganese">Mn</a></b></td>
<td>+1</td>
<td><b>+2</b></td>
<td>+3</td>
<td><b>+4</b></td>
<td>+5</td>
<td>+6</td>
<td><b>+7</b></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td>-2</td>
<td>-1</td>
<td><b><a href="/wiki/Iron" title="Iron">Fe</a></b></td>
<td>+1</td>
<td><b>+2</b></td>
<td><b>+3</b></td>
<td>+4</td>
<td>+5</td>
<td>+6</td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td>-1</td>
<td><b><a href="/wiki/Cobalt" title="Cobalt">Co</a></b></td>
<td>+1</td>
<td><b>+2</b></td>
<td><b>+3</b></td>
<td>+4</td>
<td>+5</td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td>-1</td>
<td><b><a href="/wiki/Nickel" title="Nickel">Ni</a></b></td>
<td>+1</td>
<td><b>+2</b></td>
<td>+3</td>
<td>+4</td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Copper" title="Copper">Cu</a></b></td>
<td>+1</td>
<td><b>+2</b></td>
<td>+3</td>
<td>+4</td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Zinc" title="Zinc">Zn</a></b></td>
<td>+1</td>
<td><b>+2</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Gallium" title="Gallium">Ga</a></b></td>
<td>+1</td>
<td>+2</td>
<td><b>+3</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td><b>-4</b></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Germanium" title="Germanium">Ge</a></b></td>
<td>+1</td>
<td><b>+2</b></td>
<td>+3</td>
<td><b>+4</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td><b>-3</b></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Arsenic" title="Arsenic">As</a></b></td>
<td></td>
<td>+2</td>
<td><b>+3</b></td>
<td></td>
<td><b>+5</b></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td><b>-2</b></td>
<td></td>
<td><b><a href="/wiki/Selenium" title="Selenium">Se</a></b></td>
<td></td>
<td><b>+2</b></td>
<td></td>
<td><b>+4</b></td>
<td></td>
<td><b>+6</b></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td><b>-1</b></td>
<td><b><a href="/wiki/Bromine" title="Bromine">Br</a></b></td>
<td><b>+1</b></td>
<td></td>
<td><b>+3</b></td>
<td>+4</td>
<td><b>+5</b></td>
<td></td>
<td><b>+7</b></td>
<td></td>
</tr>
<tr style="background:lightgray">
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Krypton" title="Krypton">Kr</a></b></td>
<td></td>
<td><b>+2</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Rubidium" title="Rubidium">Rb</a></b></td>
<td><b>+1</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Strontium" title="Strontium">Sr</a></b></td>
<td></td>
<td><b>+2</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Yttrium" title="Yttrium">Y</a></b></td>
<td>+1</td>
<td>+2</td>
<td><b>+3</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td><sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span>[</span>3<span>]</span></a></sup><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span>[</span>4<span>]</span></a></sup><br /></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Zirconium" title="Zirconium">Zr</a></b></td>
<td>+1</td>
<td>+2</td>
<td>+3</td>
<td><b>+4</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td>-1</td>
<td><b><a href="/wiki/Niobium" title="Niobium">Nb</a></b></td>
<td></td>
<td>+2</td>
<td>+3</td>
<td>+4</td>
<td><b>+5</b></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td>-2</td>
<td>-1</td>
<td><b><a href="/wiki/Molybdenum" title="Molybdenum">Mo</a></b></td>
<td>+1</td>
<td>+2</td>
<td>+3</td>
<td><b>+4</b></td>
<td>+5</td>
<td><b>+6</b></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td>-3</td>
<td></td>
<td>-1</td>
<td><b><a href="/wiki/Technetium" title="Technetium">Tc</a></b></td>
<td>+1</td>
<td>+2</td>
<td>+3</td>
<td><b>+4</b></td>
<td>+5</td>
<td>+6</td>
<td><b>+7</b></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td>-2</td>
<td></td>
<td><b><a href="/wiki/Ruthenium" title="Ruthenium">Ru</a></b></td>
<td>+1</td>
<td>+2</td>
<td><b>+3</b></td>
<td><b>+4</b></td>
<td>+5</td>
<td>+6</td>
<td>+7</td>
<td>+8</td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td>-1</td>
<td><b><a href="/wiki/Rhodium" title="Rhodium">Rh</a></b></td>
<td>+1</td>
<td>+2</td>
<td><b>+3</b></td>
<td>+4</td>
<td>+5</td>
<td>+6</td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Palladium" title="Palladium">Pd</a></b></td>
<td></td>
<td><b>+2</b></td>
<td></td>
<td><b>+4</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Silver" title="Silver">Ag</a></b></td>
<td><b>+1</b></td>
<td>+2</td>
<td>+3</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Cadmium" title="Cadmium">Cd</a></b></td>
<td>+1</td>
<td><b>+2</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Indium" title="Indium">In</a></b></td>
<td>+1</td>
<td>+2</td>
<td><b>+3</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td><b>-4</b></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Tin" title="Tin">Sn</a></b></td>
<td></td>
<td><b>+2</b></td>
<td></td>
<td><b>+4</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td><b>-3</b></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Antimony" title="Antimony">Sb</a></b></td>
<td></td>
<td></td>
<td><b>+3</b></td>
<td></td>
<td><b>+5</b></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td><b>-2</b></td>
<td></td>
<td><b><a href="/wiki/Tellurium" title="Tellurium">Te</a></b></td>
<td></td>
<td><b>+2</b></td>
<td></td>
<td><b>+4</b></td>
<td>+5</td>
<td><b>+6</b></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td><b>-1</b></td>
<td><b><a href="/wiki/Iodine" title="Iodine">I</a></b></td>
<td><b>+1</b></td>
<td></td>
<td><b>+3</b></td>
<td></td>
<td><b>+5</b></td>
<td></td>
<td><b>+7</b></td>
<td></td>
</tr>
<tr style="background:lightgray">
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Xenon" title="Xenon">Xe</a></b></td>
<td></td>
<td><b>+2</b></td>
<td></td>
<td><b>+4</b></td>
<td></td>
<td><b>+6</b></td>
<td></td>
<td>+8</td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Caesium" title="Caesium">Cs</a></b></td>
<td><b>+1</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Barium" title="Barium">Ba</a></b></td>
<td></td>
<td><b>+2</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Lanthanum" title="Lanthanum">La</a></b></td>
<td></td>
<td>+2</td>
<td><b>+3</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Cerium" title="Cerium">Ce</a></b></td>
<td></td>
<td>+2</td>
<td><b>+3</b></td>
<td><b>+4</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Praseodymium" title="Praseodymium">Pr</a></b></td>
<td></td>
<td>+2</td>
<td><b>+3</b></td>
<td>+4</td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Neodymium" title="Neodymium">Nd</a></b></td>
<td></td>
<td>+2</td>
<td><b>+3</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Promethium" title="Promethium">Pm</a></b></td>
<td></td>
<td></td>
<td><b>+3</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Samarium" title="Samarium">Sm</a></b></td>
<td></td>
<td>+2</td>
<td><b>+3</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Europium" title="Europium">Eu</a></b></td>
<td></td>
<td><b>+2</b></td>
<td><b>+3</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Gadolinium" title="Gadolinium">Gd</a></b></td>
<td>+1</td>
<td>+2</td>
<td><b>+3</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Terbium" title="Terbium">Tb</a></b></td>
<td>+1</td>
<td></td>
<td><b>+3</b></td>
<td>+4</td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Dysprosium" title="Dysprosium">Dy</a></b></td>
<td></td>
<td>+2</td>
<td><b>+3</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Holmium" title="Holmium">Ho</a></b></td>
<td></td>
<td></td>
<td><b>+3</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Erbium" title="Erbium">Er</a></b></td>
<td></td>
<td></td>
<td><b>+3</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Thulium" title="Thulium">Tm</a></b></td>
<td></td>
<td>+2</td>
<td><b>+3</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Ytterbium" title="Ytterbium">Yb</a></b></td>
<td></td>
<td>+2</td>
<td><b>+3</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Lutetium" title="Lutetium">Lu</a></b></td>
<td></td>
<td></td>
<td><b>+3</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Hafnium" title="Hafnium">Hf</a></b></td>
<td></td>
<td>+2</td>
<td>+3</td>
<td><b>+4</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td>-1</td>
<td><b><a href="/wiki/Tantalum" title="Tantalum">Ta</a></b></td>
<td></td>
<td>+2</td>
<td>+3</td>
<td>+4</td>
<td><b>+5</b></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td>-2</td>
<td>-1</td>
<td><b><a href="/wiki/Tungsten" title="Tungsten">W</a></b></td>
<td>+1</td>
<td>+2</td>
<td>+3</td>
<td><b>+4</b></td>
<td>+5</td>
<td><b>+6</b></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td>-3</td>
<td></td>
<td>-1</td>
<td><b><a href="/wiki/Rhenium" title="Rhenium">Re</a></b></td>
<td>+1</td>
<td>+2</td>
<td>+3</td>
<td><b>+4</b></td>
<td>+5</td>
<td>+6</td>
<td>+7</td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td>-2</td>
<td>-1</td>
<td><b><a href="/wiki/Osmium" title="Osmium">Os</a></b></td>
<td>+1</td>
<td>+2</td>
<td>+3</td>
<td><b>+4</b></td>
<td>+5</td>
<td>+6</td>
<td>+7</td>
<td>+8</td>
</tr>
<tr>
<td></td>
<td>-3</td>
<td></td>
<td>-1</td>
<td><b><a href="/wiki/Iridium" title="Iridium">Ir</a></b></td>
<td>+1</td>
<td>+2</td>
<td><b>+3</b></td>
<td><b>+4</b></td>
<td>+5</td>
<td>+6</td>
<td></td>
<td></td>
<td><sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span>[</span>5<span>]</span></a></sup></td>
</tr>
<tr>
<td></td>
<td></td>
<td>-2</td>
<td></td>
<td><b><a href="/wiki/Platinum" title="Platinum">Pt</a></b></td>
<td></td>
<td><b>+2</b></td>
<td></td>
<td><b>+4</b></td>
<td>+5</td>
<td>+6</td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td>-1</td>
<td><b><a href="/wiki/Gold" title="Gold">Au</a></b></td>
<td>+1</td>
<td>+2</td>
<td><b>+3</b></td>
<td></td>
<td>+5</td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Mercury_(element)" title="Mercury (element)">Hg</a></b></td>
<td><b>+1</b></td>
<td><b>+2</b></td>
<td></td>
<td>+4</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td><sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span>[</span>6<span>]</span></a></sup></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Thallium" title="Thallium">Tl</a></b></td>
<td><b>+1</b></td>
<td></td>
<td><b>+3</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td>-4</td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Lead" title="Lead">Pb</a></b></td>
<td></td>
<td><b>+2</b></td>
<td></td>
<td><b>+4</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td>-3</td>
<td></td>
<td></td>
<td><b><a href="/wiki/Bismuth" title="Bismuth">Bi</a></b></td>
<td></td>
<td></td>
<td><b>+3</b></td>
<td></td>
<td>+5</td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td><b>-2</b></td>
<td></td>
<td><b><a href="/wiki/Polonium" title="Polonium">Po</a></b></td>
<td></td>
<td><b>+2</b></td>
<td></td>
<td><b>+4</b></td>
<td></td>
<td>+6</td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td><b>-1</b></td>
<td><b><a href="/wiki/Astatine" title="Astatine">At</a></b></td>
<td><b>+1</b></td>
<td></td>
<td>+3</td>
<td></td>
<td>+5</td>
<td></td>
<td></td>
<td></td>
</tr>
<tr style="background:lightgray">
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Radon" title="Radon">Rn</a></b></td>
<td></td>
<td><b>+2</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td><sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span>[</span>7<span>]</span></a></sup></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Francium" title="Francium">Fr</a></b></td>
<td><b>+1</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Radium" title="Radium">Ra</a></b></td>
<td></td>
<td><b>+2</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Actinium" title="Actinium">Ac</a></b></td>
<td></td>
<td></td>
<td><b>+3</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Thorium" title="Thorium">Th</a></b></td>
<td></td>
<td>+2</td>
<td>+3</td>
<td><b>+4</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Protactinium" title="Protactinium">Pa</a></b></td>
<td></td>
<td></td>
<td>+3</td>
<td>+4</td>
<td><b>+5</b></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Uranium" title="Uranium">U</a></b></td>
<td></td>
<td></td>
<td>+3</td>
<td>+4</td>
<td>+5</td>
<td><b>+6</b></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Neptunium" title="Neptunium">Np</a></b></td>
<td></td>
<td></td>
<td>+3</td>
<td>+4</td>
<td><b>+5</b></td>
<td>+6</td>
<td>+7</td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Plutonium" title="Plutonium">Pu</a></b></td>
<td></td>
<td></td>
<td>+3</td>
<td><b>+4</b></td>
<td>+5</td>
<td>+6</td>
<td>+7</td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Americium" title="Americium">Am</a></b></td>
<td></td>
<td>+2</td>
<td><b>+3</b></td>
<td>+4</td>
<td>+5</td>
<td>+6</td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Curium" title="Curium">Cm</a></b></td>
<td></td>
<td></td>
<td><b>+3</b></td>
<td>+4</td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Berkelium" title="Berkelium">Bk</a></b></td>
<td></td>
<td></td>
<td><b>+3</b></td>
<td>+4</td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Californium" title="Californium">Cf</a></b></td>
<td></td>
<td>+2</td>
<td><b>+3</b></td>
<td>+4</td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Einsteinium" title="Einsteinium">Es</a></b></td>
<td></td>
<td>+2</td>
<td><b>+3</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Fermium" title="Fermium">Fm</a></b></td>
<td></td>
<td>+2</td>
<td><b>+3</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Mendelevium" title="Mendelevium">Md</a></b></td>
<td></td>
<td>+2</td>
<td><b>+3</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Nobelium" title="Nobelium">No</a></b></td>
<td></td>
<td>+2</td>
<td><b>+3</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Lawrencium" title="Lawrencium">Lr</a></b></td>
<td></td>
<td></td>
<td><b>+3</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td><b><a href="/wiki/Rutherfordium" title="Rutherfordium">Rf</a></b></td>
<td></td>
<td></td>
<td></td>
<td><b>+4</b></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
</table>
