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Physics 12 Online
OpenStudy (anonymous):

How many valence electrons does chlorine (Cl) have?

OpenStudy (anonymous):

the electronic configuration of a Cl atom is 1s2 2s2 2p6 3s2 3p5 17=2+8+7 there are 7 valance electron in a Cl atom of ground state |dw:1413317116660:dw|

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