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24 terms

Matter

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pure substance
a sample of matter, either a single element or a single compound, that has definite chemical and physical properties
heterogenous mixture
A mixture with uneven distribution of different substances, solids, liquids, gases.
homogenous mixture
a mixture in which the composition is uniform throughout
solution
a homogeneous mixture of two or more substances
suspension
a mixture in which fine particles are suspended in a fluid where they are supported by buoyancy
colloid
a mixture in which the particles are dispersed throughout but are not heavy enough to settle out
physical property
a property used to characterize physical objects
viscosity
a liquid's resistance to flow
conductivity
the ability of a material to allow either heat or electricity to flow through it
malleability
the property of a metal that indicates that it can be bent and rolled into sheets
melting point
physical property - the temperature at which a substance changes from a solid to a liquid
filtration
a process that separates materials based on the size of their particles
physical change
a change from one state (solid or liquid or gas) to another without a change in chemical composition
chemical change
a change that produces matter with a different composition than the original matter
flammability
the ability to burn
chemical property
a property used to characterize materials in reactions that change their identity
precipitate
a solid that forms and settles out of a liquid mixture
solid
of definite shape and volume
liquid
a substance in the fluid state of matter having no fixed shape but a fixed volume
gas
matter that does not have a definite shape or volume
pressure vs volume
high pressure low volume
temperature vs pressure
temperature inccrease pressure increases
volume vs temperature
volume increases temperature decreases
phase change
a change from one state (solid or liquid or gas) to another without a change in chemical composition