Question #374b5
1 Answer
Nov 25, 2017
The valence electrons are only the electrons in the outermost ring.
Explanation:
https://sites.google.com/a/lakewoodcityschools.org/chrisk/standard-1-content-knowledge/2a-the-periodic-table
In this Bohr Model of Chlorine, the valence electrons are in the 3rd energy level (ring) and there are 7 of them.
The core electrons are in the 1st and 2nd energy levels and there are 10 of them.