S-block

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\nElemental Groups

\n*d-block\n*f-block\n*g-block\n*p-block\n*s-block\n----\nSubgroups\n* 1A (alkali metals)\n* 2A (alkaline earth metals) \n

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

\n* Electron configuration \n \n\n \nCategory:Chemical element groups