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A chemical change, accompanied by the production of heat and light or burning.

Chemical change

any process determined by the atomic and molecular composition and structure of the substances involved

Specific heat

The amount of thermal energy required to raise the temperature of one kilogram of a substance by one Kelvin

Endothermic reaction

A reaction that absorbs energy in the form of heat

Exothermic reaction

A reaction that releases energy in the form of heat

Chemical formula

shows the number and kinds of atoms in a molecule

Chemical reaction

a process in which substances undergo chemical changes

Balanced chemical equation

A chemical equation in which there are the same number of elements and atoms on each side of the yield sign


A substance made of two or more elements chemically combined in a set ratio

Boiling Point

The temperature at which a liquid boils at a fixed pressure.


A solid that forms from a solution during a chemical reaction


A number in a chemical formula that tells the number the number of atoms on a molecule or the ratio of elements in a compound


A substance that enters into a chemical reaction


a mixture made of two or more elements, at least one of which is a metal, which has the properties of a metal


A large, complex molecule built from smaller molecules bonded together


A combination of two or more atoms that are bonded together


A substance formed as a result of a chemical reaction

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