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20 Cards in this Set
- Front
- Back
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polar bond
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covalent bond in which electrons are shared unequally
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exothermic
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Reaction that realeases energy in the form of heat
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conversation of mass
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during a chemical reaction, matter is not created or destroyed
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reactant
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Substance at the begining of a chemical reaction
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valence
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type of electron that determines the ways in which an atom can bond w/ other atoms
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endothermic
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reaction in which energy is absorbed
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chemical reaction
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a change in matter that produces one or more new substances
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molecule
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neutral group of atoms joined by covalent compounds
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ionic compound
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a compound that consists of positive and negative ions
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non polar bond
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covalent bond in which electrons are shared equally
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decomposition
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type of reaction in which compounds break down into simpler products
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molecular compounds
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compound that is composed of molecules
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replacement
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Type of reaction in which one element replaces another in a compound
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ion
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an atom of group of atoms that has an electric charge
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chemical bond
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force of attraction that holds two atoms together as a result of the rearrangement of electrons between them
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covalent bond
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chemical bond formed when twhen two atoms share electrons
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synthesis
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type of reaction in which 2 or more compounds combine to make a more complex substance
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ionic bond
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attraction between 2 oppositely charged ions
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precipitate
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a solid that forms from solution during a chemical reaction
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crystal
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the orderly three dimensional arrangement of ions
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