| Term | Definition |
|---|
| Combustion | 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 |
| Compound | 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. |
| Precipitate | A solid that forms from a solution during a chemical reaction |
| Subscript | 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 |
| Reactants | A substance that enters into a chemical reaction |
| Alloy | a mixture made of two or more elements, at least one of which is a metal, which has the properties of a metal |
| Polymer | A large, complex molecule built from smaller molecules bonded together |
| Molecule | A combination of two or more atoms that are bonded together |
| Products | A substance formed as a result of a chemical reaction |
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