Question

which of the following has heighest melting point​

Answer 1

Answer:

Explanation:

I've been trying to understand why NaF has the highest melting point among all of the given solids. I thought it would be NaI as it will have the biggest molar mass among them which would mean it has the strongest intermolecular forces. Is it electronegativity difference or molar mass that you look at when analysing intermolecular forces? Am I missing something or misunderstanding something? Thank you very much.