35. What is the ion ratio in the ionic compound formula : Mg3N2?1 point3 Mg : 2 N3 Mg2+ : 2 N3-2 Mg : 3 N2 Mg2+ : 3 N3-
Question
- What is the ion ratio in the ionic compound formula : Mg3N2?1 point3 Mg : 2 N3 Mg2+ : 2 N3-2 Mg : 3 N2 Mg2+ : 3 N3-
Solution
The ion ratio in the ionic compound formula Mg3N2 is 3 Mg2+ : 2 N3-. This is because the subscript after each element indicates the number of ions of that element in the compound. The charges on the ions are determined by the group of the periodic table in which the element is found. Magnesium (Mg) is in group 2 and therefore forms a 2+ ion, while nitrogen (N) is in group 15 and forms a 3- ion.
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