UNE CHEM 1011 General Chemistry II Midterm Fall
2020 COMPLETE QUESTIONS AND ACCURATE
ANSWERS \\LATEST VERSION 2025
2
3 Dipole 4 Electrolyte
Terms in this set (77)
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, 6/28/25, 1:34 PM UNE CHEM 1011 General Chemistry II Midterm Fall 2020
Attractions between molecules impacting physical
Intermolecular Forces
properties of a substance
Energy needed to overcome attractive forces and
Kinetic Energies
increase distance between particles
Intramolecular Forces Forces within a molecule that hold it together
Attractive forces between neutral atoms and
Van der Waals Forces
molecules
Type of van der Waals force present in all condensed
London Dispersion Force
phases due to electron motion
Instantaneous Dipole Occurs when electrons are distributed asymmetrically
Caused by distortion of electrons in a neighboring
Induced Dipole
atom or molecule
Larger and heavier atoms/molecules have stronger
Dispersion Forces Trend
dispersion forces than smaller and lighter ones
Molar mass, atomic radius, melting point, and boiling
Halogen Properties Trend point increase from top to bottom in the halogen
group
Valence electrons farther from nucleus contribute to
Reason for Trends in
molar mass, atomic radius, melting point, and boiling
Properties
point trends
Measure of how easily a molecule's charge
Polarizability
distribution can be distorted by an external charge
Hydrogen Bonding Occurs in molecules with F-H, O-H, or N-H bonds
Viscosity Resistance of a liquid to flow
IMFs, molecule size/shape, and temperature influence
Factors Affecting Viscosity
viscosity
Effect of Temperature on Increasing temperature decreases viscosity as
Viscosity molecules move more rapidly
Cohesive Forces IMFs between identical molecules within a substance
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