Engineering
Chemistry
Electronic Configuration
Question

The outer electron configuration of Gd (Atomic N : 64) is :

af3 5d5 6s2

4f4 5d4 6s2

4f7 5d1 6s2

4f2 5d0 6s2

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Solution

Gadolinium (64Gd) = [Xe]54 4f75d16s2