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Elements & Compounds
| Term | Definition |
|---|---|
| Matter | Living or non-living material that occupies space, has mass and is composed of atoms |
| Mixture | An assortment of elements and compounds that have been placed together but have not been chemically combined |
| Substance | A material with a specific composition |
| Elements | Substance that cannot be separated into a simpler substance, pure |
| Periodic Table of Elements | Arrangement of the elements by their related groups |
| Chemical formula | Way of expressing information about the atoms that make up particular chemical compounds |
| Chemical symbol | An abbreviation, usually one or two letters, for an element found on the Periodic Table of Elements |
| Compound | Combination of two or more different elements chemically bonded together, all compounds are molecules |
| Molecule | Two or more atoms joined together chemically |