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7 Cards in this Set

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SUBSTANCE
MATTER THAT HAS A DEFINITE COMPOSITION AND CONSTANT PROPERTIES.
A substance has a definite
composition and constant properiies.
true--- and is either a compound or an element
list 3 Matter classifications
elements
compounds
mixtures
HETEROGENEOUS MIXTURE
Indefinite composition
&
variable properties
(bread)
HOMOGENEOUS MIXTURE
Definite composition, but
variable properties from sample to sample

---alloys, solutions, and mixtures of gases
compound
can be broken down into elemennts by an ordinary chemical reaction.
*table sugar
elements
can not be broken down by chemical reaction.
* table salt