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15 Cards in this Set
- Front
- Back
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atom
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submicroscopic particlesw that constitute the fundamental building blocks of ordinary matter
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molecules
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two or more atoms joined in a specific geometrical arrangement
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hypothesis
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a tentative interpretation or explanation of the observation
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experiments
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highly controlled procedures designed to generate observations
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law of conservation of mass
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in chemical reaction, matter is neither created nor destroyed
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scientific method
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observations hypothesis experiment theory in that order
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matter
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anything that occupies space and has mass
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the states of matter
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solids liquids and gases
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solid matter
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atoms or molecules are packed close together in fixed locations
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solid matter can be
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crystalline or amorphous
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crystalline
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atoms or molecules are arranged in patterns with long range repeating order
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amorphous
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atoms or molecules do not have nay long range order
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liquid matter
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atoms or molecules park about as closely as they do in solid matter but they are free to move relative to each other this gives liquid a fixed volume but not a fixed shape.
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gaseous matter
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atoms or molecules have alot of space between them and are free to move relativef one another making gas compressible
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compressible
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the ability to be squeezed into a smaller volume such as gases
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