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22 Cards in this Set
- Front
- Back
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Atom
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The basic particle of any element.
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Chemical Bond
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The force of attraction between two atoms. Energy is stored in a chemical bond.
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Molecule
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A group of two or more atoms held together by chemical bonds. They can be the same element or different elements.
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Element
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Matter that is composed of only one kind of atom. It cannot be broken down into any other substance. Found on the Periodic Table.
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Chemical Formula
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Shows the elements and number of atoms in a compound or molecule
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Compound
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A substance made up of two or more different elements chemically combined.
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Mixture
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Two or more substances together in the same place but not chemicaly combined.
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Subtance |
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Physical Change |
A change that changes the form or appearance of a substance without changing the substance into something else. |
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Chemical Change |
A change that changes one substance into a different substance. |
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Law of Conservation of Mass |
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Thermal Energy |
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Chemical Energy |
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Reaction |
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Reactants |
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Chemical Equation |
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Products |
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Endothermic |
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Exothermic |
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Combustion |
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Physical Property |
A characteristic of a substance that can be observed without changing the substance. |
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Chemical Property |
A characteristic of a substance that can only be observed with changing the substance. |
