Multiple choice

Magnesium nitrite

  1. MgNO3

  2. Mg2NO3

  3. Mg2NO2

  4. Mg(NO2)2
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D Correct answer
Explanation

Magnesium (Mg) has a 2+ charge, and the nitrite ion (NO2) has a 1- charge. To balance the charges, you need two nitrite ions for every one magnesium ion, resulting in Mg(NO2)2.

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