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Chemistry Vocabulary
HOMEWORK
| Term | Definition |
|---|---|
| Matter | anything that has mass and occupies space |
| Element | a substance composed of a single kind of atom that cannot be broken down into other substances by chemacal pysical means |
| perodic table | an organized table of all the known elements |
| atomic number | the number of protons or elctrons in a element |
| atomic symbol | an abrivaton for the element name |
| atomic mass | the mass of protons + neutrons |
| compound |