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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 |