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Chem II unit 1 vocab

matter the material of the universe
atoms smallest particle of matter that cant be divided
compounds a substance with constant composition that can be broken down into elements by chemical processes
molecule a bonded collection of two or more atoms of the same or different elements
elements a substance that cannout be decomposed into simpler substances by physical or chemical means
solid tightly compacted state of matter
liquid loosely joined state of matter
gas state of matter having no shape or set volume
physical properties a property that can be observed without performing a chemical transformation of that substance
chemical properties how a substance is put together on the chemical level
physical change changing a substance without changing its chemical makeup
chemical change a process that involves the formation or breaking of chemical bonds
mixture a physical combination of different substances
alloy a substance that contains a mixture of elements and has metallic properties
pure substance a substance with constant composition
homogeneous mixture a mixture in which the components are uniformily distributed
solution a homogeneous mixture
heterogeneous mixture a mixture that is not uniform in composition
distillation separating a liquid mixture using vaporization
filtration separating a solid/liquid mixture
sorting putting things into groups
Created by: carewbartley