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what is the ground state electronic conf...

what is the ground state electronic configuration of a `_(27)` CO atom in the gas phase ?

A

`1sigma^(2)2sigma^(2)1pi^(4)3sigma^(2)`

B

`1sigma^(2)2sigma^(2)3sigma^(2)1pi^(2)2pi^(2)`

C

`1sigma^(2)2sigma^(2)1pi^(2)3sigma^(2)2pi^(2)`

D

`1sigma^(2)1pi^(4)2sigma^(2)3sigma^(2)`

Text Solution

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The correct Answer is:
A
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