[سـديـم]

Considering only the n = 1 to n = 5 states in the hydrogen atom, which transition will emit the longest wavelength?

•n = 5 to n = 4
•n = 5 to n = 2
•n = 3 to n = 1
•n = 3 to n = 2
•n = 4 to n = 2


The electron configuration of a neutral atom is [Ne] 3s2 3p1. The four quantum numbers of the last electron are:


(A)(2, 1, -1, +1/2)

(B) (3, 3, -1 , +1/2)

(C) (3, 0, -1, +1/2)

(D) (3, 1, -1, +1/2 )#


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