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Molecular Orbitals of Carbon

The ground st...

Question

The ground state electron configuration of potassium (Z = 19) is_________

A

2,8,9,0

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B

2,9,8,0

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C

2,8,8,1

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D

2,7,8,2

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Solution

The correct option is C 2,8,8,1
For an atom with 19 electons.

Shell K L M N

Number of Electrons 2 8 8 1

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