What is a dipole moment?
AP Chemistry Unit 3 Review

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Science
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12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A dipole moment is a measure of the separation of positive and negative charges in a molecule, indicating the polarity of the molecule.
2.
FLASHCARD QUESTION
Front
Which of the following molecules has a measurable dipole moment: SO3, CCl4, PF3, BH3?
Back
PF3 has a measurable dipole moment due to its trigonal pyramidal shape.
3.
FLASHCARD QUESTION
Front
What is the formal charge on the oxygen atom in dinitrogen monoxide (N2O) with the structure N=N=O?
Back
The formal charge on the oxygen atom is zero.
4.
FLASHCARD QUESTION
Front
What type of bonding is found within a water molecule?
Back
Water molecules exhibit polar covalent bonding.
5.
FLASHCARD QUESTION
Front
What is the hybridization and molecular geometry of phosphorus tribromide (PBr3)?
Back
Phosphorus tribromide has sp3 hybridization and a trigonal pyramidal molecular geometry.
6.
FLASHCARD QUESTION
Front
What is the hybridization of carbon atoms in alanine?
Back
Each carbon atom in alanine is sp3 hybridized.
7.
FLASHCARD QUESTION
Front
How many sigma and pi bonds are present in alanine?
Back
Alanine contains 12 sigma bonds and 6 pi bonds.
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