Question

Calculate 2 columb of charge

Answer 1

Q n.e

Where, Q = total charge on atom

n = no. of electrons

e = charge on electron

So, n = Q/e

n = 2/1.6×10-¹9

n = 1.25×10¹9

(Note:- 10-¹9 = 10 raise to power minus 19)