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vocab

chem

TermDefinition
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.
Created by: burnskri000
 

 



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