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9Sci CH 9 Hockett
Matter
Question | Answer |
---|---|
element | substance in which all atoms in a sample an article |
substance | matter that is an element or a compound |
colloid | heterogeneous mixture containing tiny particles that never settle out |
compound | heterogeneous mixture containing particles so tiny that they cannot be seen even with a microscope |
solution | particles don’t settle and don’t scatter light |
suspension | heterogeneous mixture containing a liquid in which larger particles eventually settle out |
heterogeneous mixture | mixture in which different parts can easily be seen |
homogeneous | mixture in which different materials are blended evenly so that the mixture is the same throughout |
homogeneous | solution |
Tyndall effect | the scattering of light particles in a mixture |
coagulation | process that destroys colloid mixture |
physical property | any characteristic of a material that can be observed without changing the identity of the material |
physical change | change in size, shape, color or state of matter |
chemical change | change of substances to different substances |
chemical property | a characteristic of a substance that indicates whether it can undergo a specific chemical change |
law of conservation of mass | law stating that material is neither created nor destroyed during a chemical change |