Chemistry, asked by isgu5327, 8 months ago

Why is the first ionisation enthalpy of Mg is higher than Al?

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Answered by Anonymous

4

Electronic configuration of Mg = 1s2 2s2 2p6 3s2

Electronic configuration of Al = 1s2 2s2 2p6 3s2 3p1

Ionisation enthalpy of Mg is higher than Al because Mg has full filled S orbital...

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