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Iodine heptafluoride has a steric number of 7. Its base geometry is
ASquare antiprism
BPentagonal bipyramid
CTrigonal prismatic
DTetragonal prism
Answer & Solution
Correct answer: B. Pentagonal bipyramid
Seven electron domains arrange best as a pentagonal bipyramid, with five in a plane and one above and below.
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