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Which of the following is not correctly ...

Which of the following is not correctly matched?

A

Z = 80 Period 6, d block Gr 12

B

`[Xe]4f^(7)5d^(1)6s^(2)` Period 6, f block Gr 3

C

Z = 74 Period 6, d block Gr 5

D

`[Rn]6d^(2)5f^(14)7s^(2)` Period 7, d block Gr 4

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