AP Chemistryeasymcq1 pt
Which molecule's central atom has exactly two lone pairs?
A.H₂O
B.NH₃
C.CH₄
D.HF
Explanation
Core Concept
Oxygen's eight valence electrons: two form O–H bonds and four remain as two lone pairs. The AX₂E₂ pattern gives the bent shape.
Correct Answer
AH₂O
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