Question

22. In which of the following elements does not consist isotopes?
(1) Carbon
(2) Neon
(3) Chlorine
(4) Iodine​

Answer 1

Answer:

Neon is the right answer

Answer 2

The Correct answer is

The Correct answer is option 2) Neon

Elements does not consist isotopes is

(1) Carbon

Carbon has two isotopes that is c12 and c14 .

(2) Neon

Neon is a noble gas which is inert in nature and it has no isotopes.

(3) Chlorine

Chlorine is a gas and it has three isotopes that is cl35,cl37 and cl36.

Cl35 and Cl37 are stable in nature while cl36 is Radioactive in nature.

(4) Iodine

Iodine is used as a antiseptic in nature .Iodine has nmany isotopes and quite common isotopes are I123 I 124 I 125 and I131.