Question

How many nitride ions are needed to form a neutral ionic bond with the calcium ion? Why?

Answer 1

Answer:

A proper ionic formula has a cation and an anion in it; an ionic compound is never formed between two cations only or two anions only. The key to writing proper ionic formulas is simple: the total positive charge must balance the total negative charge.

Answer 2

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A proper ionic formula has a cation and an ion in it; an ionic compound is never formed between two cations only or two anions only. The key to writing proper ionic formulas is simple: the total positive charge must balance the total negative charge.