How many unpaired electrons does arsenic have in its ground state?
A) 33
B) 3
C) 1
D) 2
E) none of these

Name: How many unpaired electrons does arsenic have in its ground state? A) 33 B) 3 C) 1 D) 2 E) none of these
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Question

Quizplus · Accepted Answer

The atomic number of arsenic is 33, which means it has 33 electrons. The electron configuration of arsenic in its ground state is [Ar] 3d10 4s2 4p3. In this configuration, there are three unpaired electrons in the 4p subshell. Therefore, the correct answer is B) 3.

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