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SOL 6.4
SOL 6.4 study stack
| Term | Definition |
|---|---|
| atom | the smallest unit of an element that retains (or keeps) the properties of that element |
| element | substance composed of a single kind of atom that cannot be broken down into other substances by chemical or physical means |
| molecule | two or more atoms that are bonded together |
| Proton | small positively charged particle located inside the nucleus |
| Neutron | small uncharged particle located in the nucleus |
| Electron | tiny negatively charged particle with high power and moves fast around the nucleus |
| Periodic table | Organized table of all the known elements |
| Matter | anything that has mass and takes up space |
| atomic number | the number of neutrons and protons in an atom |
| atomic symbol | an abbreviation for the element name |
| atomic mass | the mass of protons and neutrons |
| compound | a molecule with two or more elements chemically bonded |
| mixture | two or more elements are mixed but not chemically combined |
| nucleus | central core of an atom that contains the protons and neutrons |
| electron shells | fixed orbits or paths that electrons follow around the nucleus |
| chemical bond | the force that holds two or more atoms together |
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