Answer:
Because a molecule, by definition, has a valence of zero
(neutral charge, stable). Also by definition, an ion has a positive
or negative charge or valence and is not stable.
Explanation:
It is B nevermind I thought it was c but it wasn't.
c
just use the tongs and put it on a plate
Zn2 + SO4 = Zn2(SO4)2
