Answer
See the answer below.
Work Step by Step
a) Group 14/4A, 4 valence electrons
b) Group 17/7A, 7 valence electrons
c) Group 18/8A, 8 valence electron
d) Group 14/4A, 4 valence electrons
e) Group 16/6A, 6 valence electrons
f) Group 13/3A, 3 valence electrons