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7th Science - Ch. 10 "Foundations of Chemistry"

Terms in this set (20)

atom
A small particle that is the building block of matter
compound
substance containing atoms of two or more different elements chemically bonded together
dissolve
to form a solution by mixing evenly
element
a substance that consists of just one type of atom
heterogeneous mixture
type of mixture in which the individual substances are not evenly mixed
homogeneous mixture
type of mixture in which the individual substances are evenly mixed
matter
Anything that has mass and takes up space
mixture
matter that can vary in composition
substance
matter with a composition that is always the same
unique
having nothing else like it
bond
force between atoms or groups of atoms
density
the mass per unit volume of a substance
mass
amount of matter in an object
physical property
characteristic of matter that you can observe or
measure without changing the identity of the matter
property
Characteristic used to describe something
solubility
the ability of one substance to dissolve in another
physical change
change in size, shape, form, or state of matter in
which the matter's identity stays the same
chemical change
change in matter in which the substances that make up the matter change into other
substances with new physical and chemical properties
chemical property
characteristic of matter that can be observed as it
changes to a different type of matter
concentration
The amount of substance in a certain volume
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