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Chem, matter
Question | Answer |
---|---|
mass | the amount of matter an object contains |
matter | anything that takes up space and mass |
atom | smallest particle of an element |
element | substance that cant be changed into a simpler substance |
compound | substance that can be seperated into simpler substances only by chemical reactions |
physical property | substance that can be observed or measured without changing the substances composition |
physical change | alteration of a substance that does not affect its chemical composition |
change of state | |
solid | definite shape and volume |
liquid | flows, fixed volume, take the shape of its container |
gas | no definite shape or volume |
chemical property | ability of a substance to form new substance |
chemical change | chemical change |
chemical reaction | changing of substances to other substances by the breaking of old bonds and form of new bonds |
reactant | starting substances in a chemical reaction |
homogeneous | uniform, components are not distinguishable |
heterogeneous | not uniform, components are distinguishable |
solution | homogeneous |
product | substance formed in chemical reaction |
substance | uniform, definite composition, element or compound |
mixture | combination between 2 or more substances that arent chemical combined |
pure substance |