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Question

General electronic configuration of actionoids is (n−2)f1−14(n−1)d0−2ns2. Which of the following actinoids have one electron in 6d orbital?

A
U (Atomic no. 92)
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B
Np (Atomic no. 93)
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C
Pu (Atomic no. 94)
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D
Am (Atomic no. 95)
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Solution

The correct options are
A U (Atomic no. 92)
B Np (Atomic no. 93)
For Uranium, teh electronic configuration is:

[Rn]5f36d17s2

And for Neptunium:
[Rn]5f46d17s2

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