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Elemental Groups |
Subgroups
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Groups 1A (alkali metals) and 2A (alkaline earth metals) of the periodic table, Hydrogen, and helium make up the S-block (for sharp) elements. These elements have noble gas structures.
An s orbital can hold a maximum of 2 electrons.
See also
es:Elementos_del_bloque_s
fr:Éléments du bloc s
ja:Sブロック元素
sv:S-block
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