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QUESTION
What is the valence electron configuration for sodium?
The for sodium is ##1s^2 2s^2p^6 3s^1## This means that sodium has a valence shell of ##[Ne] 3s^1##.
The valence level, (highest energy level s and p orbital) is ##3s^1##
Sodium has one valence electron.
I hope this was helpful. SMARTERTEACHER
