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midterm review #1

2.1 terms

TermDefinition
polyatomic ion a charged particle that has two or more atoms held together by covalent bonds.
cation any positively charged atom or group of atoms.
viscosity the property of a fluid that resists the force tending to cause the fluid to flow.
dissociation the reversible resolution or decomposition of a complex substance.
absolute zero the hypothetical point at which all molecular activity ceases.
dispersion the separation of electromagnetic radiation into constituents of different wavelengths
sublimation the act, fact or process of subliming
electron dot diagram diagrams that show the bonding between atoms of a molecule and the lone pairs of electrons.
heat of fusion heat describing the energy for the phase change between a liquid and solid to occur without a change in temperature.
colloid a homogeneous, noncrystalline substance consisting of large molecules or ultramicroscopic particles of one substance dispersed through a second substance
Created by: chanciz