What is the electron configuration for this element.

[From: ] [author: ] [Date: 11-12-09] [Hit: ]

USING NOBLE GAS NOTATION.
Li
F
As
Sr
Bi
..Please help.

Li = [He]2s1
F = [He]2s22p5
As = [Ar]3d104s24p3
Sr = [Kr]5s2
Bi = [Xe]4f145d106s26p3

Hope this helps!!

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