Question

Sumati identifies three non metals with same valency using modern periodic table. Which set is the correct one? *

A) Nitrogen,Bromine, Iodine

B) Nitrogen, Phosphorus, Sulphur

C) Fluorine, Bromine, Iodine

D)None of the above​

Answer 1

Answer:

I think opt. no. 2) is correct.....

Answer 2

Set 'A' is the correct one.