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Science flashcards
unit four- matter
| Question | Answer |
|---|---|
| atom | smallest part of matter still being that matter |
| compound | substance made of more than 1 element bonded together |
| electron | negatively charged particle orbiting the nucleus |
| element | matter made of one kind of attom |
| endothermic | adds heat |
| exothermic | releases heat |
| matter | anything that takes up space and has mass |
| molecule | a group of two or more atoms linked together |
| neutron | subatomic neutral particle in nucleus |
| nucleus | center of atom; contains neutrons & protons |
| proton | subatomic positively charged particle in nucleus |
| subatomic | smaller than an atom |
| vibrate | to continuously move in a repetitive pattern |
| viscosity | a liquids resistance to flow |