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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 |