4
QuizMultiple Choice

Molecular Geometry

Question 4 • *26-27 CFISD TX-Chemistry A CR

The shape of a molecule is trigonal planar. How many electron domains around the central atom does this molecule most likely have?

Answer
A
zero
B
two
C
three
D
four

Explanation

In the VSEPR model, a trigonal planar shape has three regions of electron density arranged around the central atom in one plane. So the molecule most likely has three electron domains, matching choice C, “three.”

AI-written and checked against the verified answer.

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