Question

(a) What is a covalent bond? What type of bond exists in (i) CCl₄, and (ii) CaCl₂?
(b) What is an ionic bond? What type of bond is present in oxygen molecule?

Answer 1

(a) The chemical bond that is formed between two atoms by the sharing of electrons is known as a covalent bond.
(i) A covalent bond exists in CCl₄.
(ii) An ionic bond exists in CaCl₂.
(b) The chemical bond that is formed by the transfer of electrons between two atoms is known as an ionic bond.
Covalent bond is the chemical bond present in an oxygen molecule.