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the solution is the same throughout the mixture.
the energy required to break the bonds of the reactants and start a reaction.
(also called allotropism) the property of some chemical elements to exist in two or more...
the electrons in the outermost occupied shell of an atom.
the process whereby carbon is turned into carbohydrates in plants, and becomes available as an...
the phase change of a substance from the solid phase directly into the gas phase without passing...