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chapter 2

chapeter 2 study word

TermDefinition
pure substance matter that always has exactly the same compositions
element is a substance that cannot be broken down into simpler substance
atom is the smallest particle of an element
compound is a substance that is made from two or more simpler substances and can be broken down into those similar substances
homogeneous mixture the substance are so evenly distributed that it is difficult to distinguish one substance in the mixture from another
solution a mixture that forms when substances dissolves and form a homogeneous mixture
suspension is a heterogeneous mixture that separates into layers over time
colloid contains some particles that are intermediate in size between the small particles in a solution and the larger particles in a suspension
physical property any characteristic of a matter that can be observed or measured without changing the composition of the substances in the material
viscosity the tendency of a liquid to keep from flowing resistance to flowing
conductivity a materials ability to allow heat to flow
malleability is the ability of a solid to be hammered without shattering
melting point the temperature at which a substance changes from a solid to a liquid
boiling point the temperature at which a substance boils
filtration is a process that separates materials based on the size of their particles
distillation is a process that separates the substances in solution based on their boiling points
physical change occurs when some of the properties of a material change,but the substances in the material remain the same
chemical property is any ability to produce a change in the composition of matter
flammability is a material's ability to burn in the presence of oxygen
reactivity the property that describes how readily a substance combines chemically 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: madison.haywood
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