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The electronic configuration of four ele...

The electronic configuration of four elements are:
1. `[Xe]6s^(1)` 2) `[Xe]4f^(14),5d^(1),6s^(2)` 3) `[Ar]4s^(2),3d^(10),4p^(5)` 4) `[Ar]3d^(7),4s^(1)`
Which one of the following statements about these elements is not correct?

A

`[Xe] 6s^1`

B

`[Xe] 4f^14, 5d^1, 6s^2`

C

`[Ar] 4s^2, 3d^10, 4p^5`

D

`[Ar]3d^7, 4s^2`

Text Solution

Verified by Experts

The correct Answer is:
B
It is `""_Lu` the last member of Lanthanide series
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