the ionisation energy of Al to form Al+ is less than that of Mg to form Mg+ ion.explain
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Explanation:
The first ionisation energy of magnesium is less than that of aluminium.
(1) Removal of an electron will disrupt the stable completely-filled 3s sub-shell of magnesium.
(2) The 3p electron of aluminium is further from the nucleus compared to the 3s electrons of magnesium.
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