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Pure Substance
1 substance/ingrediant/thing
Mixture
Multiple types together
Element
Only one type of atom
CANNOT be broken down
smallest particle is an atom
Compound
Two or more different elements CHEMICALLY BONDED together
CAN be broken down
Smallest particle is a molecule
Ore
Contains important minerals w/ high amt.
Mineral
Can be extracted from a rock
Alloy
Mixture of 2+ elements, at least one is metal (ex: brass, bronze & steel)
Extensive Physical Property
How MUCH substance there is
Intensive Physical Property
What substance we have (used to find unknown substance)
Heterogeneous Mixture
Differences you can perceive visually
Homogeneous Mixture
All looks the same - Constant composition