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2014-08-03T19:31:31-03:00
1s2
2s2 2p6
3s2 3p6 3d10
4s2 4p4

Cl2 (g) = 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p4.


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