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12 Cards in this Set
- Front
- Back
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Physical Change
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a change in size, shape, or state withoutforming a new substance
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Physical Property
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a property that can be observed withoutchanging the identity of a substance
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Chemical Property
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a way of describing a substance by how itreacts chemically to other substances.
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Chemical Change
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A change in matter that produces a newsubstance with different properties from the original
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Solution
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a mixture of one substance dissolved inanother so that the properties are the same throughout.
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Compound
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a chemical combination of two or moreelements
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Chemical Bond
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a link that atoms or atomic-sizedparticles can form with each other
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Chemical formula
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a way of using letters and numbers toshow how much of each element is in a substance
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Ion
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an electrically charged particle withunequal numbers of protons and electrons
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Molecule
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a group of tightly bonded atoms that actslike a singular particle
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Exothermic
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a reaction that gives off heat
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Endothermic
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a reaction that absorbs heat
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