
VSEPR and IMFs
Flashcard
•
Chemistry
•
11th - 12th Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
What is VSEPR theory?
Back
VSEPR (Valence Shell Electron Pair Repulsion) theory is a model used to predict the geometry of individual molecules based on the repulsion between the electron pairs in the valence shell of the central atom.
2.
FLASHCARD QUESTION
Front
What is the shape of a trigonal pyramidal molecule?
Back
A trigonal pyramidal molecule has a central atom bonded to three other atoms and has one lone pair of electrons, resulting in a pyramid-like shape.
3.
FLASHCARD QUESTION
Front
What determines if a molecule is polar or nonpolar?
Back
A molecule is polar if it has a net dipole moment due to the presence of polar bonds and an asymmetrical shape. It is nonpolar if the dipoles cancel out due to symmetry.
4.
FLASHCARD QUESTION
Front
What is hydrogen bonding?
Back
Hydrogen bonding is a strong type of dipole-dipole interaction that occurs when hydrogen is bonded to highly electronegative atoms like nitrogen, oxygen, or fluorine.
5.
FLASHCARD QUESTION
Front
What are dispersion forces?
Back
Dispersion forces, also known as London dispersion forces, are weak intermolecular forces that arise from temporary dipoles created when electron clouds shift in nonpolar molecules.
6.
FLASHCARD QUESTION
Front
Is CO (carbon monoxide) a polar molecule?
Back
Yes, CO is a polar molecule due to the difference in electronegativity between carbon and oxygen, creating a dipole moment.
7.
FLASHCARD QUESTION
Front
Is CCl4 (carbon tetrachloride) polar or nonpolar?
Back
CCl4 is a nonpolar molecule because its symmetrical tetrahedral shape causes the dipoles to cancel out.
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