Question

Which of the following affects how strongly anions and cations are attracted to each other in a solid?

A. The nucleus
B. Empty valence orbitals
C. Distance between anions and cations
D. Neutrons

I the answer b.
I'm inclined to think c. You already have a cation ad an anion (a + and a - charge) and distance I think is how strong that attraction is. It varies as 1/r^2.
C was correct!

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