1.

The quantum numbers of four electrons (e_(1) " to " e_(4)) are given below : {:(,n,l,m,s,,,n,l,m,s),(e_(1),3,0,0,+1//2,,e_(2),4,0,0,+1//2),(e_(3),3,2,2,-1//2,,e_(4),3,1,-1,+1//2):} Correct order of decreasing energy of these electrons is

Answer»

`e_(4) gt e_(3) gt e_(2) gt e_(1)`
`e_(2) gt e_(3) gt e_(4) gt e_(1)`
`e_(3) gt e_(2) gt e_(4) gt e_(1)`
`e_(1) gt e_(4) gt e_(2) gt e_(3)`

Answer :C


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