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Science chemistry
Cards
| Term | Definition |
|---|---|
| Matter= | Occupies space. |
| Element= | A substance controlled by a single kind of atom that can't destroyed into other substances by chemical/physical means. |
| Periodic table= | All known elements. |
| Atomic number= | Protons or electrons in element. |
| Atomic symbol= | A short form of the full element. |
| Atomic mass= | Number of protons and nuetrons. |
| Compound= | A substance of 2 or more elements are chem. joined in a placed ratio. |
| Mixture= | 2 vor more atoms that are mixed together but is'nt chem. joined. |
| Atom= | The smallest part of a chem. which still has the properties of the element. |
| Nucleus= | The middle of the atom that has nuetrons and protons. |
| Protons= | Postive charged,small,in nucleus. |
| Nuetrons= | Nothing charged,small,in nucleus |
| Electrons= | Very small,negitive charged,high energy,moves around nuleus. |
| Electron shells= | Orbits that make the electrons move around necleus. |
| Molecule= | 2 or more atoms together that bonded. |
| Chemical bonds= | 2 or more atoms together that are forced to join. |
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