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23 Cards in this Set

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  • Back
the study of matter and how it works
chemistry
anything that has mass and occupies space
matter
a substance that cannot be broken down into simpler substances
element
the smallest particle that has the properties of an element
atom
a substance made of atoms of more than one element bound together
compound
the smallest until of a substance that exhibits all of the properties characteristic of that substance
molecule
the chemical symboles and numbers indicating the atoms containing the basic until of a substance
chamical formula
any matter that has a fixed composition and definite properties
pure substance
a combination of more than one pure substance
mixture
describes two or more liquids that do not mix into each other
immiscrible
the force exterted per until area of a surface
pressure
the resistance of a fluid to flow
viscosity
the ability to change or move matter
energy
the change of a substance from liquid to a gas
evaporation
the change of a substance from a gas to a liquid
condensation
the change of a substance from a solid to a gas
sublimation
the way a substance reacts with others to form a new substance with different properties
chemical property
the ability of a substance to combin to combine chemically with another substance
reactivity
a characteristic of a substnce that can be observed or measured without changing the compostition of a substance
physical property
the temperature at which a solid becomes a gas below the surface
boling point
the force with a more dense fluid pushes a less dense substance upward
buoyancy
a change that that occures when a substance changes composition by forming one or more new substances
chemical change
a change in the physical form pgysical form or properites of a substance that occures without a change in composition
physical change