MEDIUM
10th CBSE
IMPORTANT
Earn 100

State the valency and electronic configuration of the elements of atomic numbers 6, 7, and 8.

Important Questions on Elementary Idea of Bonding

HARD
10th CBSE
IMPORTANT
Select the electrovalent and covalent compounds from the following: glucose, urea, calcium oxide, sodium sulphide, hydrogen chloride gas, and calcium chloride.
MEDIUM
10th CBSE
IMPORTANT
Write a short note on bonding in metals.