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the correct set of the four quantum nu...

the correct set of the four quantum number for the valence electron or Rubidum atom (z=37) is

A

`5,0,0, + (1)/(2)`

B

`5,1,9,+(1)/(2)`

C

`5,1,1,+(1)/(2)`

D

`6,0,0,+(1)/(2)`

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The correct Answer is:
A
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