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Chapter2Vocab

Chapter2VocabWords

TermDefinition
Pure Substance Matter that always has exactly the same composition.
Element A substance that cannot be broken down into simpler substances.
Atom The smallest particle of an element.
Compound A substance that is made from two or more simpler substances
Heterogeneous Mixture The parts of a mixture are noticeably different from one another.
Homogeneous Mixture The substances are so evenly distributed that it is difficult to distinguish one substance in the mixture from another.
Solution When substances dissolve and form a homogeneous mixture, the mixture that forms is called a solution.
Suspension A heterogeneous mixture that separates into layers over time.
Colloid Contains some particles that are intermediate in size between small particles in a solution and the larger particles in a suspension.
Physical Property Viscosity, Conductivity, Malleability, Hardness, Melting Point, Boiling Point and Density are examples of physical properties.
Viscosity A liquids resistance to flowing
Conductivity A material's ability to allow heat to flow
Malleability The ability of a solid to be hammered without shattering
Melting Point The temperature of which a solid changes to a liquid.
Boiling Point The temperature at which a substance boils.
Filtration A process that separates materials based of the size of their particles.
Physical Change Occurs when some of the properties of a material change.
Chemical Property Any ability to produce a change in the composition of matter.
Flammability A Material's ability to burn in the presence of oxygen.
Reactivity Describes how readily a substance combines with other substances.
Chemical Change Occurs when a substance reacts and forms one or more new substances.
Precipitate Any solid that forms and separates from a liquid mixture.
Created by: cameren.hicks