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31 Cards in this Set
- Front
- Back
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Which state of matter has indefinite shape, indefinite volume (compression IS possible), the particles of matter are far apart, and the highest energy out of the three states?
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Gaseous State
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Which state of matter has indefinite shape but definite volume (compression is NOT possible), particles of matter are loosely packed, and the middle energy level out of the three states?
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Liquid State
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Which state of matter has definite shape, definite volume (compression is NOT possible), particles of matter are tightly packed, and has the lowest energy out of the three states?
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Solid State
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Solid changes to liquid
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Melting
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Liquid changes to solid
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Freezing
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Liquid changes to gas
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Vaporization
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Gas changes to liquid
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Condensation
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Solid changes to gas
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Sublimation
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Gas changes to solid
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Deposition
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_____ are composed of more than one substance and can be physically separated into its component substances.
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Mixtures
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______ are composed of only one substance and cannot be physically separated.
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Pure substances
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_____ have uniform properties (as in any solutes present will completely dissolve),
Ex: salt water, air, elements |
Homogenous mixtures
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_____ do not have uniform properties
Ex: sand and water, concrete, spaghetti sauce |
Heterogenous mixtures
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_____ can be chemically separated into individual elements. (type of pure substance)
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Compounds
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_____ cannot be broken down further by chemical reactions. (type of pure substance)
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Elements
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Gold
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Au
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Sodium
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Na
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Silver
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Ag
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Copper
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Cu
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Mercury
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Hg
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Potassium
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K
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Tin
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Sn
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Iron
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Fe
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Tungsten
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W
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Three types of Elements
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Metals (left side of the periodic table), nonmetals (right side of the periodic table), semimetals/metalloids (middle of the periodic table)
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A _____ is a characteristic of a pure substance that we can observe without changing its composition. (Ex: appearance, melting/boiling point, density, conductivity, physical state)
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Physical Property
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A _____ describes the chemical reactions of a pure substance.
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Chemical Property
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A _____ is a change where the chemical composition of the substance is not changed.
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Physical Change
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A _____ is a chemical reaction. In this change energy is transformed from one form to another. (Ex: gas release, light or release of heat energy, formation of a precipitate, permanent color change)
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Chemical Change
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_____ is stored energy. It results from position or composition.
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Potential Energy
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_____ is the energy matter has. It results from motion. (All substances have this energy no matter what physical state they are in)
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Kinetic Energy
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