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18 Cards in this Set
- Front
- Back
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Nuclear Fission
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The splitting of the nucleus of an atom, releasing great amounts of energy.
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Radioactive Element
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An element made up of atoms where nuclei break down,or decay, into nuclei of other atoms.
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Chemical Bond
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A force, or link, That holds atoms together in a molecule or in a crystal.
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Physical Change
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A change in size,shape,or state of matter.
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Base
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A compound that turns red litmus paper blue.
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Indicator
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A substance that changes color when mixed with an acid or base.
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Acid
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A compound that turns blue litmas paper red.
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Electron
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A negetively charged particle in an atom.
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Salt
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A compound that can be formed when an acid reacts with a base.
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Ion
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An electrically charged atom.Ions form when atoms lose or gain electrons.
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Polymer
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A compound consisting of large molecules formed from many smaller, linked molecules.
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Model
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Something used to represent an object.
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Nuetralization
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The reaction between an acid and a base.
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Chemical Change
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A change in matterthat results in new substances with new properties.
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Nuetron
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A particle in the nucleus of an atom that has no elctric charge.
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Nucleus
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The dense, central part of an atom.
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Proton
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A positively charged particle found in the nucleus of an atom.
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Atomic Number
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The number of protons in the nucleus of an atom of an element.
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