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matter
Term | Definition |
---|---|
mass | Amount of matter in a substance or object. |
matter | Anything that has mass and volume. |
volume | Amount of space taken up by matter. |
atom | Smallest unit of a chemical element. |
chemical compound | Substance in which the atoms of two or more elements are bound together. |
electron | Tiny negatively charged particles that orbit the nucleus. |
ion | Atom with one or more electrons added or subtracted; it has an electrical charge. |
matter | Substance that physical objects are made of. |
molecule | Smallest unit of a compound; it is made of atoms. |
neutron | Neutral particle in the nucleus of an atom. |
nucleus | Center of an atom, made of protons and neutrons. |
proton | Positively charged particle in a nucleus. |