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24 Cards in this Set
- Front
- Back
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Atom
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smallest part of an element that can be identified as that element
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Element
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smple substance that cannot be broken down into simpler substances by ordinary chemical means
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Compound
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substance made up of tow or more elements that are chemically combined
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Molecule
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smallest part of a substance that has all the properties of that substane
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Chemical symbol
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shorthand way of writing the name of an element
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Chemical formula
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formula that shows the eleements that make up a compound
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Subscript
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number in a chemical formula that shows how many of each atom is in one molecule of a compound
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Mineral
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naturally occurring, inorganic solid formed from elements or compounds and having a definite chemical makeup and regular atomic structure
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Physical property
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observable characteristic that describes an object
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Streak
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color of the powder left by a mineral
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Luster
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how a mineral's surface reflects light
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Hardness
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property of a mineral that relates to how much the mineral resists being scratched
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Density
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amount of matter in a given volume
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Magnestism
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force of attraction or repulsion associated with magnets
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Acid test
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test that helps identify minerals containing calcium carbonate
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Crystal
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solid substance with its atoms arranged in a regular, three-dimensional pattern
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Cleavage
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tendency of some minerals to split along smooth, flat surfaces called planes
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Fracture
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tendecy of some minerals to break into pieces with uneven surfaces
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Crystallization
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formation of crystals caused by processes such as cooling and evaporation
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Evaporation
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process by which a liquid changes into a gas
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Solution
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mixture in which the particles of one substance are evenly mixed with the particles of another substance
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Precipitation
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process that occurs when elements and compounds leave a solution and crystallize out as solids
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Ore
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mineral that is mined because it contains useful metals or nonmetals
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Gem
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stone that has been cut and polished
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