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campos chemestry
| Questions | Answer |
|---|---|
| MATTER | any thing that has mass and occupies space |
| ELEMENT | a substance composed of a single type of atom that can not be broken down into other substances by chemical or physical means |
| PERIODIC TABLE | an organized table of all known elements |
| ATOMIC NUMBER | the number of protons or electrons in a element |
| ATOMIC SYMBOL | an abbreviaton for the element name |
| ATOMIC MASS |