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15 Cards in this Set

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element
all the atoms in a sample of matter are the same
compound
made from the atoms of two or more elements that are combined
substance
either an element or a compound
heterogeneous mixture
a mixture where you can tell each material from another easily
homogeneous mixture
a mixture where the substances are spread out and you cant tell the difference between them
solution
another name for a homogeneous mixture
colloid
a heterogeneous mixture that never settles
Tyndall effect
the scattering of light by particles in a mixture
suspension
a heterogeneous mixture containing a liquid in which visible particles settle.
coagulation
when the colloid structure is destroyed in a process
physical property
a characteristic of a material that you can observe without moving anything
physical change
when something undergoes a change in size, shape, or state of matter.
chemical change
a change of one substance in a material to a different substance
chemical property
something that tells if a substance can go through a certain chemical change.
law of conservation of mass
matter is neither created nor destroyed during a chemical change