Question

Find out all the four quantum numbers of the last electron of Calcium?(Z=20)​

Answer 1

Answer:

N=4

L=0

m=0

s= -¹/2

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Answer 2

E.C of Rubidium is (Z=37) = 1s 22s 22p 63s 23p 64s 23d 104p 65s 1

The valence electron is in 5s orbital.

Its 4 quantum numbers are- n=5,l=0,m=0,s=+ 21

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