AP Chemistryeasymcq1 pt
Which molecule has a trigonal pyramidal shape?
A.NF₃
B.BF₃
C.SO₃
D.CO₂
Explanation
Core Concept
Nitrogen carries three bonding domains and one lone pair — the AX₃E pattern. Three atoms at the base and the lone pair at the apex give the trigonal pyramid.
Correct Answer
ANF₃
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