Multiple Choice
The change in the third ionization energy does not vary smoothly across the first transition series. Why? Please select all that apply.
A) A paired electron is lost when iron is oxidised from 2+ to 3+
B) Iron gains an electron which must be paired.
C) Manganese loses an unpaired electron when it is oxidised from 2+ to 3+.
D) Manganese gains an electron which must be paired.
Correct Answer:

Verified
Correct Answer:
Verified
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