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Dom's 4th G. Matter
Review for Matter Test
| Question | Answer |
|---|---|
| Atom | smallest part of an element that has the properties of that element |
| Gas | matter that has no definite shape or volume |
| Solid | matter that has a definite shape and volume |
| Liquid | matter that has a definite volume but no definite shape |
| Substances | a class of matter made up of elements and compounds |
| Elements | matter made up of only one kind of atom: iron & oxygen are elements |
| Compounds | matter made up of two or more elements chemically combined |
| Boiling | rapid change of state from a liquid to a gas; when water is boiling, bubbles of water vapor form. |
| Energy | ability to cause change |
| Melting | change of state from a solid to a liquid |
| Chemical Symbol | one or two letters that stand for the name of an element |
| State of Matter | any of the 3 forms that matter may ordinarily take: solid, liquid, & gas |
| Chemical Formula | a group of symbols that shows the kind and number of each element in a single unit of a compound |
| Condensation | the change of state from a gas to a liquid |
| Evaporation | change of state from a liquid to a gas |
| Freezing | change of state from a liquid to a solid |