TAKS 4-Classification of Matter #2
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Created by:
milliecowart on November 16, 2009
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10 terms
Terms | Definitions |
|---|---|
 examples of chemical change | rust, digestion, decomposition |
| examples of physical change | cutting, tearing, boiling, freezing |
| indicators of chemical reaction | bubbling, heat, giving off light, noise |
| conservation of mass | matter cannot be created or destroyed |
| chemical symbols | O, Se, Au, Ag, Na, Ca, N |
| parts of an atom | proton, neutron, electron |
| electron | negatively charged particle in an atom |
| proton | positively charged particle in an atom |
| neutron | particle in an atom with no charge |
| nucleus | contains protons and neutrons |
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