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vocab
chem
Term | Definition |
---|---|
Physical change | A change in size, shape, or state. |
Chemical change | Characteristic of a substance that indicates whether it can undergo a chemical change. |
Substance | A type of matter with a fixed composition. |
Element | If all the atoms in a substance has the same identity it becomes {blank}. |
Compound | A substance in which the atoms of 2 or more elements are combined. |
Heterogeneous Mixture | Mixture in which different materials can easily be distinguished. |
Homogeneous Mixture | Contains 2 or more gases, liquids, or solids substances blended evenly. |
Solution | Homogeneous mixture with particles so small that they cannot be seen with a microscope. |
Physical Property | Characteristic of a material you can observe without changing the identity. |
Chemical Property | A change in size, shape, or state. |
Melting Point | The point in temperature when the solid starts to liquefy. |
Boiling Point | The point in temperature when the liquid starts to boil. |
Chemical Reaction | More than one substances turning into other substances. |
Chemical Formula | A formula that shows what elements are in a compound and what it will become. |
Pressure | Force exerted per area. |
Heat of Vaporization | Amount of energy required for a liquid to become a gas. |
Diffusion | Spreading of particles throughout a given volume until they are distributed. |