What affects the shape of a molecule? A) The types of subatomic particles in the molecule
B) The number of subatomic particles in a nucleus
C) The number of electrons in the molecule
D) The composition of atoms in the molecule

C : The number of electrons in the molecule

Explanation:

it is affected by the arrangement of electrons, but doesn't  describe it's arrangement. The shape of a molecule is how the outside atoms are arranged around the central atom. The lone pairs of electrons affect this arrangement, but is not part of it.

where is the diagram?

if you insert the diagram ill be able to you