QQuestionAnatomy and Physiology
QuestionAnatomy and Physiology
What is the correct molecular geometry of NH^3 according to valence shell electron pair repulsion theory?
Option 1: Linear
Option 2: Trigonal Planar
Option 3: Tetrahedral
Option 4: Octahedral
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Answer
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Step 1I'll solve this problem step by step using VSEPR (Valence Shell Electron Pair Repulsion) theory:
Step 2: Determine the central atom and valence electrons
- Total valence electrons: $$5 + (3 \times 1) = 8$$ electrons
- The central atom is nitrogen (N) - Nitrogen has 5 valence electrons - Hydrogen (H) has 1 valence electron
Final Answer
Option 3: Tetrahedral (electron domain geometry), with a trigonal pyramidal molecular geometry.
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