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26 Cards in this Set
- Front
- Back
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atom
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The smallest unit of a pure substance that still has properties of that substance
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proton
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A subatomic particle that has a positive (+) charge
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electron
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A subatomic particle that has a negative (-) charge
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neutron
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A subatomic particle that has a neutral (0) charge
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element
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A pure substance that is made up of only one kind of atom
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nucleus
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the center of an atom which contains protons and neutrons
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atomic number
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The number of protons in an atom
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metal
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An element that conducts heat and is shiny
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malleability
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A property of metal that allows it to be bent and rolled into sheets
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nonmetal
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An element that does not conduct heat and is not shiny
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periodic table
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A table of elements arranged in order of increasing atomic number
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solid
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A state of matter that has a definite shape and volume
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liquid
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A state of matter with a definite volume but not a definte shape
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gas
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A state of matter that has no definite shape or volume
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compound
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A substance formed from 2 or more elements
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physical property
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A property that can be observed or measured without changing an object or any part of the materials it is made of
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texture
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How something feels
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ductility
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The ability of a substance to be drawn into thin wires without breaking
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density
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The amount of mass in an object
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buoyancy
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The ability to float
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Chemical property
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A property that describes the ability of a substance to change and form a new substance
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combustibility
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the ability of a substance to burn
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mixture
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A combination of 2 or more pures substances that are not chemically combined
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solution
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a mixture in which the particles of each sunstance are mixed evenly
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solvent
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The substance that something is being dissolved in
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solute
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The substance being dissolved
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