Question

Quick question.

In which group of the periodic table do you find halogens?
A.2A
B.8A
C.1A
D.7A

Answer 1

Solution:- Halogens are fluorine, chlorine, bromine, iodine and Astatine(F, Cl, Br, I and At) and these are present in the 7A group of the periodic table. In modern periodic table this group is written as 17th group. This group elements have 7 valence electrons and so they are in group 7A.

So, the right choice is D. 7A.