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anyanavicka [17]
3 years ago
15

List the numbers of protons, neutrons, and electrons in Chlorine-18. (3 points)

Chemistry
1 answer:
Mama L [17]3 years ago
8 0

The electronic configuration of Chlorine is 1s2 2s2 2p6 3s2 3p5.


There are three energy levels in chlorine


First energy level is n=1 has 1s2 so total 2 electrons


Second energy level is n=2, 2s2 2p6 so total 2+6= 8 electrons


Third has 3s2 3p5 electrons just 7 total... p can contain 6 electrons but only 5 are present. So the third level has lesser number of electrons than that can be filled


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