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Chemistry 11 Online
OpenStudy (vera_ewing):

The electron configuration for a chlorine atom is: 1s2 2s2 2p6 3s2 3p5. What electron configuration represents the electrons that make up only the core electrons for a chlorine atom? A. 1s2 B. 1s2 2s2 2p6 3s2 3p5 C. 1s2 2s2 2p6 D. 1s2 2s2 2p6 3s2

OpenStudy (vera_ewing):

@dtan5457 C right?

OpenStudy (dtan5457):

Yes. 17 total electrons, 10 core, 7 valance. C is correct

OpenStudy (vera_ewing):

thanks!

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