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Matter part 1
atoms, elements, compounds, molecules
| Term | Definition |
|---|---|
| matter | anything that has mass and takes up space |
| elements | matter made from only one kind of atom |
| protons | positively charged particle in the nucleus of an atom |
| electron | negatively charged particle not in the nucleus of an atom |
| neutron | neutrally charged particle in the nucleus of an atom |
| compound | a substance made of two or more elements chemically combined |
| mixture | two or more substances mixed together, not chemically combined |
| atom | smallest particle of matter made up of protons, neutrons and electrons |