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- Why gadolinium has an abnormally low third ionisation enthalpy?Option: 1 because of the small size of Gd.<stron
Why gadolinium has an abnormally low third ionisation enthalpy?
because of the small size of Gd.
Because of the less shielding of 5f-orbitals
Because of stable configuration.
All of the above.
Answers (1)
Gd attains a half-filled configuration after the third electron is removed. So, the third ionisation enthalpy is the lowest.
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