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Cards In This Set
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Matter
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Anything that takes up space
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Mass
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The quantity of atoms in an object
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Elements
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A pure substance composed of only one type of atom
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The Atom
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The simplest particle of an element that has the physical and chemical properties of that element
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Isotope
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An atom of an element with a different number of neutrons
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Compound
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A pure substance made up of atoms of 2 or more elements
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Molecule
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A group of 2 or more atoms held together by chemical bonds that retain the properties of the substance
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Chemical Bond
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The force holding 2 atoms or ions together.
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Covalent bond
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2 atoms that share a pair of electrons
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Ionic Bond
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Created by the transfer of electrons from one atom to another to give it a full outer electron shell
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Hydrogen Bond
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 A weak bond between a hydrogen involved with a covalent bond and a negative portion of a polar atom |
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Energy
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The ability to do work
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Free energy
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The energy in a system that is available to a living organism
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Potential energy
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Stored energy
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Kinetic energy
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Energy of motion
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