give the ground state electron configuration and orbital diagram for chlorine(Z=17) and its anion formed when gaining one electron

Md Ariful Islam

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The neutral atom chlorine (Z=17), for instance has 17 electrons. Therefore, its ground state electronic configuration can be written as 1s22s22p63s23p5. The chloride ion (Cl-), on the other hand, has an additional electron for a total of 18 electrons.

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