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Configurations involving f-orbital

Posted: Wed Oct 31, 2018 8:54 pm
by Bianca Barcelo 4I
Can someone give an example of an electron configuration involving the f-orbital? I am confused when we start to use this orbital in terms of the configuration.

Re: Configurations involving f-orbital

Posted: Wed Oct 31, 2018 8:56 pm
by Imelda Mena 3I
The f-block is added right after element number 57, Lanthanum (La).