AP Chemistrymediummcq1 pt
What is the formula of the ionic compound formed between magnesium and nitrogen?
A.Mg₃N₂
B.MgN
C.Mg₂N₃
D.MgN₂
Explanation
Core Concept
Mg forms Mg²⁺ and nitrogen forms N³⁻. To balance charge, 3 cations (3 × +2 = +6) pair with 2 anions (2 × −3 = −6), giving Mg₃N₂.
Correct Answer
AMg₃N₂
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