Question

*why nitrogen has higher ionisation enthalpy then oxygen?​

Answer 1

Answer:

Now Ionisation energy(I.E) is the energy required to remove an electron from the valence shell of an atom.As seen in the configuration,N atom has stable half filled valence p-orbital ,therefore large amount of energy is required to remove the valence electron from N atom. Therefore I.E of N is higher than that of O.

Answer 2

Answer:

Electronic configuration of O(atomic

Now Ionisation energy(I.E) is the energy required to remove an electron from the valence shell of an atom.As seen in the configuration,N atom has stable half filled valence p-orbital ,therefore large amount of energy is required to remove the valence electron from N atom.Therefore I.E of N is higher than that of O.

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