Why is it 4f14 if there are 15 elements in that row

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Meghanhe1l
Posts: 60
Joined: Fri Sep 28, 2018 12:17 am

Why is it 4f14 if there are 15 elements in that row

Postby Meghanhe1l » Mon Oct 29, 2018 11:02 pm

Why is a full f orbital 4f14 when there are 15 elements in that row (lanthanum to lutetium)?

Andrea Zheng 1H
Posts: 61
Joined: Fri Sep 28, 2018 12:26 am

Re: Why is it 4f14 if there are 15 elements in that row

Postby Andrea Zheng 1H » Tue Oct 30, 2018 1:21 pm

4f14 is the full orbital of elements from lanthanum to Ytterbium (14 elements). Lutetium is the first element in the 5d orbital.

Ashley Fang 2G
Posts: 102
Joined: Fri Aug 30, 2019 12:17 am

Re: Why is it 4f14 if there are 15 elements in that row

Postby Ashley Fang 2G » Tue Nov 05, 2019 12:03 pm

Lanthanum is actually the first element of the 5d orbital, cerium through lutetium would be part of the f block


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