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Matter flash cards
| Term | Definition |
|---|---|
| Physical change | A change in one or more physical properties of matter without any change in chemical properties. |
| Chemical change | Occurs whenever matter changes into an entirely different substance with different chemical properties |
| metals | Elements that can conduct electricity. |
| nonmetals | Elements that cannot conduct electricity. |
| Reactivity | a measure of the deviation from the condition at which a nuclear reactor is critical. |
| Metalloids | an element that has both metallic and nonmetallic properties, as arsenic, silicon, or boron. |
| Flammable | liable to catch fire |