CP Polarity & IMFs

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•
Science
•
10th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What are Intermolecular Forces (IMFs)?
Back
Intermolecular Forces (IMFs) are forces of attraction or repulsion between neighboring particles (molecules, atoms, or ions). They play a crucial role in determining the physical properties of substances.
2.
FLASHCARD QUESTION
Front
What is a London Dispersion Force?
Back
London Dispersion Forces are weak intermolecular forces that arise from temporary dipoles created when electron distribution around atoms or molecules becomes uneven. They are present in all molecules, whether polar or nonpolar.
3.
FLASHCARD QUESTION
Front
What is a Dipole-Dipole Interaction?
Back
Dipole-Dipole Interactions are attractive forces between the positive end of one polar molecule and the negative end of another polar molecule. They are stronger than London Dispersion Forces.
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, leading to significant attraction between molecules.
5.
FLASHCARD QUESTION
Front
What is the difference between polar and nonpolar covalent bonds?
Back
In polar covalent bonds, electrons are shared unevenly between atoms, resulting in partial charges. In nonpolar covalent bonds, electrons are shared evenly, and there are no partial charges.
6.
FLASHCARD QUESTION
Front
How do strong IMFs affect boiling points?
Back
Strong intermolecular forces lead to higher boiling points because more energy is required to overcome these forces during the phase change from liquid to gas.
7.
FLASHCARD QUESTION
Front
What is the significance of electronegativity in determining polarity?
Back
Electronegativity is the ability of an atom to attract electrons. In a bond between two atoms with different electronegativities, the atom with higher electronegativity will attract the shared electrons more strongly, creating a polar bond.
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