The change in the third ionization energy does not vary smoothly across the first transition series. Why? Please select all that apply.

Question

The change in the third ionization energy does not vary smoothly across the first transition series. Why?  Please select all that apply.

Answer

Manganese gains an electron which must be paired.

Answer

A paired electron is lost when iron is oxidised from 2+ to 3+

Answer

Iron gains an electron which must be paired.

Answer

Manganese loses an unpaired electron when it is oxidised from 2+ to 3+.

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