The ionisation energy of nitrogoen is more than that of oxygen because

Options

(a) nitrogen has half-filled p-orbitals
(b) nitrogen is left ot the oxygen in the same period of the periodic table
(c) nitrogen contains less numberf of electrons
(d) nitrogen is less electronegative

Correct Answer:

nitrogen has half-filled p-orbitals

Explanation:

The ionisation energy of nitrogen is more than that of oxygen because nitrogen has half-filled p-orbitals.