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What is the shape of the ammonia (NH3) molecule?
What is the shape of the ammonia (NH3) molecule?
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Practice Questions
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Q1
What is the shape of the ammonia (NH3) molecule?
Linear
Trigonal planar
Tetrahedral
Trigonal pyramidal
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Ammonia has a trigonal pyramidal shape due to the presence of a lone pair on the nitrogen atom.
Questions & Step-by-step Solutions
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Q
Q: What is the shape of the ammonia (NH3) molecule?
Solution:
Ammonia has a trigonal pyramidal shape due to the presence of a lone pair on the nitrogen atom.
Steps: 5
Show Steps
Step 1: Understand that ammonia is a molecule made of one nitrogen atom (N) and three hydrogen atoms (H).
Step 2: Recognize that nitrogen has five valence electrons and forms three bonds with the three hydrogen atoms.
Step 3: Note that nitrogen has one lone pair of electrons that is not involved in bonding.
Step 4: Visualize the arrangement of the atoms: the three hydrogen atoms form a base, and the lone pair pushes the hydrogen atoms down.
Step 5: Conclude that this arrangement creates a trigonal pyramidal shape, where the nitrogen is at the top and the hydrogen atoms form the base.
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