Why does electron pathway 5d^1 fill before 4f^1

Subject: Why does electron pathway 5d^1 fill before 4f^1

Date: Fri Oct 16 14:02:53 1998
Posted by Michael Nickerson
Grade level: 10-12
School: Bevery High School
City: Beverly State/Province: Ma
Country: USA
Area of science: Chemistry
ID: 908564573.Ch

Message:


In electron configuration the orbitals fill up idealy as 1s2 2s2 2p6 
etc., and i understand the standard quirks of fillin up halves at 
copper etc, but what no one seems to be able to explain is why in the 
in the f series, 1 d will fill, then the all the f's fill then the d's 
continue. Could you please explain the phenomanon to me. Michael 
Nickerson

Re: Why does electron pathway 5d^1 fill before 4f^1

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