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AtomsElementsMolecules
CompoundsPure Substance
MixtureSolution
AtomsAre the smallest particle of an element that still retain the properties of that element
Elementsare made of only one type of atom
(element).AluminumCopperHydrogenFluorine
Compoundsare made of two or more types
of elements.Water
Carbon DioxideSalt
Sugar
Moleculestwo or more atoms joined
together in a chemical bond.This is a water
molecule, H20…
Pure Substancea pure substance has only one type of element or compound.
A mixturehas two or more elements or
compounds mixed together but not chemically combined.
A solutionis a very well mixed mixture,
like salt water. You cannot see the salt, but it is there.
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