spr90kk
spr90kk
08-02-2015
Chemistry
contestada
which element configuration is 1s2 2s2 2p6 3s2 3p5
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BeckaH
BeckaH
08-02-2015
Chlorine.
You can work this out by counting along the periodic table in rows. Chlorine falls as the 5th element in the 3rd down row of the p block (left hand side) of the periodic table.
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