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The correct set of four quantum numbers for valence electrons of rubidium atom (Z=37) is
A. `5, 0, 0, +1/2`
B. `5, 1, 0, +1/2`
C. `5, 1, 1, +1/2`
D. `5, 0, 1, +1/2`

1 Answer

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Best answer
Correct Answer - 1
`Z=37`
Rb is in fifth period.
`[Kr]5s^(1)` is its configuration: " " So `n=5, l=0, m=0, s=+1/2` or `-1/2`

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