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the electron configurtion of cobalt (Z=2...

the electron configurtion of cobalt (Z=27) is `1s^(2)2s^(2)2p^(6)3p^(6)3d^(7)4s^(2)` How manu uppairred eletrons are in a gaseous `CO^(3+)` ion in its strontium atom in its ground state?

A

0

B

2

C

4

D

6

Text Solution

Verified by Experts

The correct Answer is:
c
`CO^(3+):[Ar]3d^(2)`
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