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Science 7 T1L1
Question | Answer |
---|---|
matter | anything that has mass and takes up space |
substance | single kind of matter that is pure (specific makeup) |
physical property | observed without changing into another substance |
chemical property | ability to change into different substance |
element | cannot be broken down into any other substance |
atom | basic particle which all elements are made |
molecules | group of two or more atoms held together by chemical bond |
compound | made of two or more elements chemically combined |
mixture | tow or more substances in same place but not chemically combined |