How many unpaired electrons does chlorine have in its ground state?
A) 2
B) 3
C) 17
D) 1
E) none of these

Name: How many unpaired electrons does chlorine have in its ground state? A) 2 B) 3 C) 17 D) 1 E) none of these
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Question

Quizplus · Accepted Answer

Chlorine has 7 electrons. In its ground state, it has the electron configuration 1s2 2s2 2p6 3s2 3p5. In this configuration, there is one unpaired electron in the 3p subshell. Therefore, the answer is D) 1.

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