Question

Why non metals have more ionisation energy than metals

Answer 1

Non-metals are generally electronegative entities that tend to have affinity towards electrons. Most of the non-metals have more than 4 valence electrons, and so accepting electrons is easier for them.Consider this, they can complete their octet by either gaining a few electrons or by losing whatever they have in the outermost orbit. Now, if they go for losing the valence electrons, the net positive charge in the atom becomes significantly higher than the net negative charge, and that results in electronic interactions within the atom, increasing its (internal) potential energy, making it unstable.So, they tend to hold their electrons and at the same time show affinity towards electrons that might want to join them. That’s why they have relatively higher ionisation enthalpies. FOLLOW ME IF YOU LIKED MY ANSWER.

Answer 2

Answer:

Refer to the explanation.

Explanation:

Explanation:

The first ionization energy of an element is the energy needed to remove the outermost (valence) electron from a neutral atom in the gaseous state to form a cation.

The first ionization energy of an element has an inverse relationship to its atomic radius.

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