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Week 8
L5-Mixtures and Compounds
| Question | Answer |
|---|---|
| mixtures | Made of two or more pure substances or compounds that are physically combined (mixed) together but not chemically bonded. |
| compound | A substance that is made up of two or more elements. |
| element | The purest form of matter that exists. |
| states (of matter) | Gas, Liquid, Solid |
| energy | Light, electricity, and heat. Energy is used and produced in chemical reactions. |
| matter | Anything that has weight and takes up space. |
| atom | The smallest part of an element that can exist alone. All mater is made of atoms. |
| Periodic Table of Elements | A visual arrangement of the elements according to their atomic numbers so that elements with similar properties are in groups. |