<a href="/wiki/Lanthanide" title="Lanthanide">Lanthanide</a> |
<a href="/wiki/Actinide" title="Actinide">Actinide</a> |
<a href="/wiki/Transition_metal" title="Transition metal">Transition metal</a> |
<a href="/wiki/Poor_metal" title="Poor metal">Poor metal</a> |
<a href="/wiki/Metalloid" title="Metalloid">Metalloid</a> |
<a href="/wiki/Polyatomic_nonmetal" title="Polyatomic nonmetal" class="mw-redirect">Polyatomic nonmetal</a> |
<a href="/wiki/Diatomic_nonmetal" title="Diatomic nonmetal" class="mw-redirect">Diatomic nonmetal</a> |
<a href="/wiki/Noble_gas" title="Noble gas">Noble gas</a> |
<a href="/wiki/Alkali_metal" title="Alkali metal">Alkali metal</a> |
<a href="/wiki/Alkaline_earth_metal" title="Alkaline earth metal">Alkaline earth metal</a> |
unknown chemical properties |
undiscovered |