Answer:
1.h
2.c
3.d
4.f
5.e
6.b
7.h
8.a
Explanation:
A group in the periodic table under which the element is placed represents the number of electrons in its outer shell (Valence electrons). Hope that's helps. Sometimes the question can refer to the valence itself, but then the options would repeat, so I hope the question here refers to the outer shell electrons.