Atomic Structure Question 206

Question: Correct set of four quantum numbers for valence electron of rubidium (Z = 37) is

Options:

A) 5,,0,,0,,+12

B) 5,,1,,0,,+12

C) 5,,1,,1,,+12

D) 6,,0,,0,,+,12

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Answer:

Correct Answer: A

Solution:

Electronic configuration of Rb(37) is 1s22s22p63s23p63d104s24p65s1 So for the valence shell electron (5s1)

n=5,,l=0,,m=0,,s=+12



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