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Properties(:
Chemical and Physical Properties
Word | Definition |
---|---|
Physical properties | can be observed and measured without changing the kind of matter being studied |
Melting point | the temperature a solid can change to a liquid. The temperature a pure substance melts is unchanging under constant conditions. |
Boiling point | the temperature at which a liquid boils changing from a liquid to a gas. |
Density | is a property that describes the relationship between the mass of a material and its volume. |
Color | can be used to help identify a substance, along with other properties. |
Chemical properties | can also be used to help identify a substance. Chemical properties can be recognized only when substances react or do not react chemically with one another, that is, when they undergo a change in composition. |
Ability to burn | The ability of a substance to burn is a chemical property that involves a substance reacting quickly with oxygen to produce light and heat. |
Ability to rust | The ability of a substance to rust is a chemical property that involves a substance reacting slowly with oxygen. |