Good Evening
19:32 pm

Sponsor Area

Sponsor Area

Question is

Calcium, Magnesium, Sulphur and Chlorine have atomic numbers 20, 12, 16, 17 respectively. Which of these does not show a valency of 2?

  • Calcium

  • Magnesium

     

  • Sulphur

  • Chlorine.

Mock Test Series

Sponsor Area

Sponsor Area

NCERT Book Store

NCERT Sample Papers

Entrance Exams Preparation