Answer
See the answer below.
Work Step by Step
a) Group 16/6A, 6 valence electrons
b) Group 13/3A, 3 valence electrons
c) Group 1/1A, 1 valence electron
d) Group 2/2A, 2 valence electrons
e) Group 17/7A, 7 valence electrons
f) Group 16/6A, 6 valence electrons