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S8P1.b
Term | Definition |
---|---|
11.Pure Substance | A sample of matter, either single element or a single compound, that has definite chemical & physical properties |
12. Compound | A substance made up of atoms of two or more different elements joined by chemical bonds |
13. Molecule | The smallest unit of substance that keeps all of the physical and chemical properties of that substance |
14. Chemical Formula | A combination of symbols and numbers to represent a substance |
15. Subscript | a small number written to the right and slightly below a chemical symbol to tell the number of atoms of the element in the substance |
16. Mixture | A combination of two or more substance that are not chemically combined |