f orbitals

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Emi Nakahara 3F
Posts: 21
Joined: Wed Sep 21, 2016 2:57 pm

f orbitals

Postby Emi Nakahara 3F » Sat Oct 22, 2016 10:57 pm

I'm a bit confused on how the f orbtal shell orbital is incorporated into the electron configuration of hafnium. Why is it that it is already full with 14 electrons?

Manpreet Singh 1N
Posts: 41
Joined: Wed Sep 21, 2016 2:59 pm
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Re: f orbitals

Postby Manpreet Singh 1N » Mon Oct 24, 2016 10:23 am


For Hf, the atomic number is 72. The lanthanides have atomic numbers 58-71, which is before 71. Therefore the f orbital is full and the electron configurations for Hf=[Xe]4f^14 5d^2 6s^2

Hope that helps :)

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