Chemistry, asked by Raghavnanu2803, 1 year ago

How are valence electron and group number reflected in electron configuration?

Answers

Answered by DivyanshTripathi
7
The number of electrons in the last shell of an atom is the number of valence electrons.


The number of valence electrons also gives the group number.
Eg valence electron in sodium is 1 so group number is 1.
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