Question #76328

If the electronic configuration of calcium is [Ar]4s2 then what will be the electronic configuration of chromium and free dispositive mangnese ion ? Explain for 4 marks.

Expert's answer

Answer:
The electronic configuration of chromium is [Ar] 4s1 3d5

Perhaps a mistake in the word "mangnese" and it will be correct manganese

The electronic configuration of manganese 2+ is [Ar] 4s2 3d3

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