HARD
11th CBSE
IMPORTANT
Earn 100

The Lewis dot structure of carbonate ion is _____ .

Important Questions on Chemical Bonding and Molecular Structure

MEDIUM
11th CBSE
IMPORTANT
The shape of the molecule containing 3 bond pairs and one lone pair around the central atom is _____ (trigonal pyramidal / tetrahedral).
HARD
11th CBSE
IMPORTANT
The energy released when gaseous hydrogen atoms combine together to form one mole of hydrogen molecules is _____ kJ mol-1.
HARD
11th CBSE
IMPORTANT
A bond is said to have ionic character when the electronegativity difference between the two atoms is greater than_____.
HARD
11th CBSE
IMPORTANT
The shape of acetylene molecule is_____.
HARD
11th CBSE
IMPORTANT
The difference of energy between the actual structure of a molecule and that of the most stable contributing structure is called _____ .
HARD
11th CBSE
IMPORTANT
What do you understand by chemical bond?
HARD
11th CBSE
IMPORTANT
Briefly explain Kossel-Lewis approach of chemical bonding.
EASY
11th CBSE
IMPORTANT
Why are noble gas poor chemical reactants?