1-14 Describe how ions are formed from atoms

1-14-1. A magnesium atom becomes a magnesium ion (Mg²⁺) by...
A. gaining two electrons, B. losing two electrons
C. gaining two protons, D. losing two protons

1-14-2. A nitrogen atom becomes a nitride ion (N^3-) by...
A. gaining 3 electrons, B. losing 3 electrons,
C. gaining 3 protons, D. losing 3 protons