Question

In which of the following cases is a polar covalent bond formed?

a) when an electron is transferred from one atom to another

b) when the electrons of a bond are shared equally by the two atoms

c) when the electrons of a bond are shared unequally by the two atoms

d) when a metallic element forms a bond with a nonmetallic element

Answer 1

c) when the electrons of a bond are shared unequally by the two atoms