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SAT Chemistry

Category - Multiple Choice

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What type of molecular geometry does NH₃ display?

Tetrahedral
Trigonal pyramidal
Linear
Bent
Square planar

Explanation

Answer: Trigonal pyramidal

NH₃molecules contain three hydrogen atoms bonded to a central nitrogen atom. The nitrogen atom also has a lone pair of electrons. The hydrogen atoms repel away from the lone pair of electrons to give trigonal pyramidal molecular geometry.

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