HiSET Science Test Prep

Category - HiSET Science Practice Test Questions

What type of molecular geometry does NH3 display?
  1. Tetrahedral
  2. Trigonal pyramidal
  3. Linear
  4. Bent
  5. Square planar
Answer: Trigonal pyramidal

NH3 molecules 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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