Question

Where are the different types of valance electrons located on the periodic table?

Answer 1

Valence electrons are located in the outermost energy level of an atom

Group 1: 1 valence electron
Group 2: 2 valence electrons
Group 13: 3 valence electrons
Group 14: 4 valence electrons
Group 15: 5 valence electrons
Group 16: 6 valence electrons
Group 17: 7 valence electrons
Group 18: 8 valence electrons (except for Helium, which has 2)

Answer 2

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