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(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?
(a) Covalent bond is formed by sharing of electrons between the atoms of an element.
(i) In CCl4 , covalent bond is formed.
(ii) In CaCl2 , an ionic bond is formed.
(b) Ionic bond is formed by the transfer of electrons from one atom to another.
Covalent bond is present in the oxygen molecules.
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