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Olenka [21]
3 years ago
11

Given the following electronic configurations, identify how many valence electrons each atom has.

Chemistry
1 answer:
Varvara68 [4.7K]3 years ago
7 0

Answer:

sodium=atomic number 11 it electronic configuration is ,K=2, L=8,M=1 Valence is 1

oxygen= atomic number 8 it electronic configuration is K=2, L=6 Valence is 2

iron= atomic number 26 it electronic configuration is K= 2 L= 8,M=8 N=6 Valence 2

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