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15-01-2016
Chemistry

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Which electron configuration represents an atom of sodium and why?
A. 1s2 2s2 2p6 3s1
B.1s1 2s2 2p6 3s2
C. 1s2 2p6 3s2 3p1
D. 1s2 2s2 2p6 4s1

Respuesta :

Willchemistry Willchemistry

15-01-2016

Na :

[tex]1 s^2,2s^2,2p^6,3s^1[/tex]

answer a

hope this helps!.

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