Matter--has mass + occupics space
a) mixture
1)Hemogenous
-uniform throughout
-appears to have only one compornot : solution colloid(milk)
2)Hetergenous
-non uniform
-appears to have more than one comporent: suspursion mechamical mixture
b) Pure substances
-one set of propertis
-one type of particle
1) Element
-made of atoms
-matte in its simplestform
-cannet be decompe sed: metals, non metals, metallcids
2) compound
-made up of element chemieally combined
-smallest porticle is a mclecult: ionic, covlant
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