Question

what is ionisation potential?? ​

Answer 1

Detailed answer -

IONISATION POTENTIAL is the ENERGYnecessary to remove an electron from the neutral atom. It is a minimum for the alkali metals which have a single electron outside a closed shell. It generally increases across a row on the periodic maximum for the noble gases which have closed shells.


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Answer 2

It is the minimum amount of energy required to remove an electron from the valence shell of an isolated neutral gaseous atom.

It is representated by I.E