click below
click below
Normal Size Small Size show me how
S8P1.b
describe the difference between pure substance(elements and compound)& mixture
| Term | Definition |
|---|---|
| pure substance | a sample of matter either a single elements or a single compound that is chemical or physical properties |
| compound | substance made up of atoms of two or more different elements joined by chemical bond |
| molecule | the smallest unit of a substance that keeps all of the physical and chemical properties |
| chemical formula | a combination of chemical symbols and numbers to represent a substances |
| subscript | a small number written to the right and slightly below a chemical symbol to tell the number of atoms of the element in substance |
| mixture | a combination of two or more substances that are not chemically combined |