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The penultimate shell of Francium (Z = 8...

The penultimate shell of Francium (Z = 87) has the configuration

A

`2s^(2) 2p^(6)`

B

`6s^(2) 6p^(6)`

C

`4s^(2) 4p^(6)4d^(10) 4f^(14)`

D

`5s^(2) 5p^(6) 5d^(10)`

Text Solution

Verified by Experts

The correct Answer is:
B
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