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Structure of Atom question

2012 · Q111
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Structure of Atom question

2012 · Q111

NEETChemistryStructure of AtomMCQ+4 / −1
The correct set of four quantum numbers for the valence electron of rubidium atom (Z = 37) is
  1. A
    5, 1, 1, + 1/2
  2. B
    6, 0, 0, +1/2
  3. C
    5, 0, 0, +1/2
  4. D
    5, 1, 0, +1/2
View written solutionFree

Correct answer: C

Rb(37) = 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s1

For 5s, n= 5, l = 0, m = 0, s = +1/2 or -1/2

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