Chemistry, asked by say2chandra15p4pj5d, 1 year ago

Why is this wrong?
*give me Reasons other than that 4s Comes before 3d*

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Answered by leo0000
2
according to law.
the orbital who is have the lower value of (n+l) the electron first full them.

as 3d have (3+2)=5
4s have (4+0)=4
that is why 4S comes before the 3d.

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