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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 |