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Ch. 14
Properties of Matter
| Term | Definition |
|---|---|
| volume | the amount of space an object takes up |
| atom | the smallest particle that still behaves like the original matter it came from |
| molecule | two or more atoms joined together |
| nucleus | a dense area in the center of an atom that contains protons and neutrons |
| element | matter made up of only on kind of atom |
| periodic table | a chart that scientists use to organize the elements |
| physical change | a change in which the form of a substance changes but the substance still has the same chemical makeup |
| density | the measure of how closely packed object's atoms are |
| mixture | a combination of two or more different substances |
| solution | a mixture in which all the parts are mixed evenly |