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07-02-2015
Chemistry

Answered

which element configuration is 1s2 2s2 2p6 3s2 3p5

Verified Answer :

07-02-2015

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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