Basic Chemistry Concepts

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Molecule

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A group of atoms bonded together

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Compound Molecule

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Two different types of atoms bonded together

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Elemental Molecule

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Two of the same atoms bonded together

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Covalent Bonding

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Atoms share valence electrons

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Ionic Bonding

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Atoms transfer valence electrons

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Chemical Reaction

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A process in which one or more substances are converted to one or more different substances

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Reactant

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A substance that changes in a chemical reaction

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Product

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A substance that is formed as a result of a chemical reaction

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Chemical Equation

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A way to represent a chemical reaction

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Law of Conservation of Mass

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Total mass of the products must be equal to the total mass of the reactants