about F block elements

Asked by Praveen Rajasekaran | 12th Dec, 2012, 06:46: PM

Expert Answer:

Orbital Order

1s, 2s, 2p, 3s, 3p, 4s, 3d, 4p, 5s, 4d, 5p, 6s, 4f, 5d, 6p, 7s, 5f, 6d, 7p, 8s.

Although this looks confusing, there is an easy way to remember.

As 3d is filled first, it is more appropriate to write 3d first and then 4s.

Answered by  | 14th Dec, 2012, 11:11: AM

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