Question

The nitrogen atoms has $7$ electrons, the nitride ion $\left(N^{3-}\right)$ will have:

• A. 4 protons and 7 electrons
• B. 7 protons and 10 electrons
• C. 4 protons and 10 electrons
• D. 10 protons and 7 electrons

Answer 1

Answer: (B)

Anions are negatively charged species and are formed by gain of electrons.
$N+3e^{-}\to N^{3-}$
No. of e $710$ No. of $p77$