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Chp. 3-2 Elements
elements/compounds/mixtures
| Question | Answer |
|---|---|
| What is the difference between a mixture and a compound? | A mixture is physically combined and a compound is chemically combined. |
| List the ways in which a mixture can be separated. | distillation, magnetism,chromatography,evaporation, |
| What is the difference between an element and a compound? | An element has one kind of atom and a compound has two or more different elements combined |
| What are the components of an atom | protons, neutrons, electrons |
| What charge does a proton have? | positive |
| what charge does an electron have? | negative |
| What charge does a neutron have? | no charge |
| Where is a proton located? | nucleus |
| Where is an electron located? | shells surrounding nucleus |
| Where is a neutron located? | nucleus |