How many valence electrons in this electron configuration 1S2 2S2 2P6 3S2

asked Sep 15, 2022 119k views

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6 votes

Answer:

Step-by-step explanation:

Electron Configurations

A B

Fluorine 1s2 2s2 2p5

Neon 1s2 2s2 2p6

Sodium 1s2 2s2 2p6 3s1

Magnesium 1s2 2s2 2p6 3s2

Feby answered Sep 19, 2022

by Feby

3.6k points

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