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Vocabulary chapter 2

Pure substance Matter that always has the same composition.
element Substance that can not be broken down into simpler substances.
atom smallest particle of an element.
compound Made from two or more simpler substances and is able to be broken down.
heterogeneous mixture The parts in the mixture are noticeably different from one another.
homogeneous mixture The substances are so carefully divided you can barely tell one substance from another.
solution When substances dissolve and create a homogeneous mixture.
suspension heterogeneous mixture that seperates into layers over time
colloid contains particles that are large, medium, and small.
Physical Property Any characteristic of a metal that can be observed without changing the composition of the substance
Viscosity Resistance of flowing
Conductivity Ability to allow heat to flow
Malleability Ability to be hammered without shattering
Melting point When a solid changed to a liquid
Boiling point the temperature at which a substance boils
Filtration Process that separates material based on their particle sizes
Distillation Process that separates the substances based on boiling point
Physical change when the substances stay the same but the look changes
Chemical property Ability to change the composition of matter
Flammability ability to burn in presence of oxygen
reactivity property that describes how readily a substance combines with another
Chemical change when a substance reacts and forms one or more new substances
precipitate any solid that forms and separates from any liquid
Created by: bladon.gaskins