Class 12 NEET Chemistry D And F Block Elements Questions

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Question : 35 of 110

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The electronic configurations of Eu (Atomic No. 63) Gd (Atomic No. 64) and Tb (Atomic No. 65) are :

[NEET 2016 P1]

[Xe]4f76s2,[Xe]4f75d16s2 and [Xe]4f96s2
[Xe]4f76s2,[Xe]4f86s2 and [Xe]4f85d16s2
[Xe]4f65d16s2,[Xe]4f75d16s2 and [Xe]4f95d16s2
[Xe]4f65d16s2,[Xe]4f75d16s2 and [Xe]4f85d16s2

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