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Glossary of Chemistry Flashcards

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condensed state
liquid and solid states of matter; has higher density than in a gaseous state
kinetic-molecular theory
the states of a substance at room temperature depends on the strength of the attractions between its particles
intramolecular forces
forces that exists inside the molecule
intermolecular forces
forces of attraction between neighboring molecules
induced dipole
a dipole that is created by the presence of a neighboring dipole
dipole
molecule in which the centers of positive and negative charge are not the same
dipole-dipole force
intermolecular force of attraction between neighboring permanent dipoles that is created when the dipoles line up so that the positive and negative ends are close to each other
dispersion force
intermolecular force of attraction between induced dipoles
hydrogen bond
srong intermolecular force between the hydrogen atom of one molecule and a highly electronegative atom of another molecule.
physical properties of liquid
mainly determined by the nature and strength of the intermolecular forces present between their molecules
viscosity
resistance to motion that exists between the molecules of a liquid when they move past each other
surface tension
the imbalance of forces at the surface of a liquid

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