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Chemchap2
chem chapter 2
Question | Answer |
---|---|
matter | anything that takes up space |
Pure substance | has a chemical formula |
element | one type of atom |
compound | 2 or more different elements bonded together |
mixture | cookie-2 or more different materials mixed together for a solution |
homogeneous solution | you cant see different parts ie. saltwater,air |
heterogeneous solution | you see different parts ie.oil |
distillation | helps you find your boiling point |
physical changes | cutting,tearing,melting |
physical properties | color,shape |
chemical changes | burning,smoking |
chemical properties | has a chemical makeup |
Law of conservation of matter | Matter can not be created or destroyed |