What is a bond dipole moment?
Unit 4 SE Review

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Chemistry
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A bond dipole moment is a measure of the polarity of a bond, indicating the direction and strength of the dipole in a molecule, pointing towards the more electronegative atom.
2.
FLASHCARD QUESTION
Front
What does the net dipole moment of a molecule represent?
Back
The net dipole moment represents the overall polarity of a molecule, calculated by vectorially adding all individual bond dipole moments.
3.
FLASHCARD QUESTION
Front
How can you classify a substance based on its solubility and conductivity?
Back
If a substance does not conduct electricity but dissolves in water, it is likely a polar covalent compound.
4.
FLASHCARD QUESTION
Front
What is the VSEPR theory?
Back
VSEPR (Valence Shell Electron Pair Repulsion) theory predicts the geometry of molecules based on the repulsion between electron pairs around a central atom.
5.
FLASHCARD QUESTION
Front
What is the electron geometry and molecular geometry of CH₂O?
Back
For CH₂O, the electron geometry is tetrahedral, and the molecular geometry is trigonal planar.
6.
FLASHCARD QUESTION
Front
What is the relationship between isomer polarity and melting point?
Back
Polar isomers typically have higher melting points than nonpolar isomers due to stronger intermolecular forces.
7.
FLASHCARD QUESTION
Front
What factors can affect the boiling point of polar and nonpolar molecules?
Back
The boiling point can be affected by molecular size, shape, and the presence of intermolecular forces such as hydrogen bonding.
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