Question

Write all the four quantum nimbers of the electron in the outermost shell of rubidium atom atomic number =37

Answer 1

E.C of Rubidium is (Z=37) = 1s^22s2^2p^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=+1/2

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