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Matter and Energy
Matter and Energy
7
Chemistry
11th Grade
10/05/2008

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Term
Substance = ?
Definition
definite composition and unique physical characteristics.
ELEMENTS AND COMPOUNDS.
Term
Elements = ?
Definition
the simplest form of matter, cannot be chemically decomposed.
Term
Compounds = ?
Definition
Two or more elements chemically combined, meaning they can be chemically broken down.
Term
Two homogeneous substances?
Definition
Elements and compounds.
Term
Mixtures = ?
Definition
Phyiscally combined, meaning can be taken apart physically.
Term
Alloy = ?
Definition
mixture of metals.
homogenous.
Term
4 ways to physically seperate mixtures:
Definition
1)filter
2)heat/cool it
3)magnetism
4)chromotography.
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