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16 Cards in this Set
- Front
- Back
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Tyndall effect
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when light passes through a liquid, the light will not be dispersed; an observation showing the presence of a true solution
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molecules
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a group of atoms held together by strong attractive forces and is the smallest particle that can exist in a compound
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suspension
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a heterogeneous mixture consisting of small particles spread throughout a liquid or gaseous medium, from which they will eventually settle out
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homogeneous mixture
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a mixture that appears the same throughout
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solution
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a homogeneous mixture of two or more substances
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heterogeneous mixture
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a mixture with different appearances in different parts
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colloids
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heterogeneous mixtures in which particles of one substance are partially dispersed in another substance
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diatomic molecule
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a molecule formed of two identical atoms bonded together
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molecular formula
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gives the number of atoms for each element in a molecule
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mixture
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a physical combination of two or more pure substances
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symbols
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a scientific abbreviation for the name of an element; consists of one or two letters with the first letter always capitalized
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analysis
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the study of materials by breaking them down
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pure substances
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a substance that is made up of only one kind of particle and is the same throughout
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compound
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a substance formed when two or more atoms of different elements chemically join together
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element
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any substance that cannot be broken down into simpler substances by ordinary chemical means
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atom
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the fundamental particle of an element
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