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Elements & Compounds
| Term | Definition |
|---|---|
| Atom | The smallest unit of an element that has all of the properties of that element |
| Chemical Bond | A means by which atoms, ions, or groups of atoms are held together in a molecule or crystal |
| Chemical Formulas | A shorthand notation that uses chemical symbols and numbers as subscripts to represent the type of atoms and number of atoms that are present in the smallest unit of the substance |
| Chemical Symbol | The symbol which represents each element on the Periodic Table |
| Compound | Matter that is composed of two or more elements that are chemically combined |
| Element | A pure substance that cannot be separated into simpler substances by physical or chemical means |
| Molecule | Two or more atoms joined together |
| Periodic Table of Elements | An arrangement of the elements according to their atomic numbers and periodic trends of physical and chemical properties |