Chemistry Past Questions and Answers

The electron configuration of \(_{22}X^{2+}\) ion is

Which of the following types of bonding does not involve the formation of new substance?

The knowledge of half-life can be used to

The shapes of CO₂, H₂O and CH ₄ respectively are

The distance between the nuclei of chlorine atoms in a chlorine molecule is 0.194 mm. The atomic radius of chlorine atom is