Question

If NA is Avogadro’s number then number of valence electrons in
4.2g of nitride ions (N³⁻) is
(a) 2.4 Nᴀ (b) 4.2 Nᴀ
(c) 1.6 Nᴀ (d) 3.2 Nᴀ

Answer 1

$\bf\large\underline\pink{Answer:-}$

d) 3.2NaA

Answer 2

Answer:

If NA is Avogadro’s number then number of valence electrons in

4.2g of nitride ions (N³⁻) is

(a) 2.4 Nᴀ