Chemistry, asked by honeykaramore890, 11 months ago

The second ionisation enthalpy of chromium is very high, why

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Answered by kumaripr06

because in case of cromium the last e- enter in s subshell if we remove the e- we can identify the first ionisation enthalpy easily but in case of second ionisation enthalpy is becomes more difficult to remove e- from d subshell because it is half filled and half filled orbitals are the most stable

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