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19 December, 20:59

What is the general valence-electron ground-state electron configuration for neutral alkali metals?

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  1. 19 December, 21:22
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    The ground state is the state lowest energy and that is the state of the ordinary configurations.

    Alkali metals are the group 1 of the periodic table. All the alkali metals have 1 electron in their valence shell.

    The configurations of the alkali metals are:

    Li: [He] 2s

    Na: [Ne] 3s

    K: [Ar] 4s

    Rb: [Kr] 5s

    Cs: [Xe] 6s

    Fr: [Rn] 7s.

    As you see the electron configurations of the alkaly metals is the confiuration of the previous noble gas plus one electron that occupies the next s orbital.
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