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atomic theory pt. #2


conservation of mass matter is never created or destroyed it recognizes itself.
compound chemical combination of two or more atoms from different elements.
covalent compound between 2 non-metals
ionic compound between a metal and a non-metal
molecules two or more atoms combined
lewis Dot Structure shows the way compounds form using their valence electrons
substance matter with a fixed composition whose identity can be changed by chemical processes
precipitate solid that comes back out of its solution because of a chemical change occurring
homogeneous mixture a mixture that is completely combined and that you can not see a difference in.
heterogeneous mixture a mixture that is incompletely combined and that you can see differences in.
solute a substance that dissolve and seem to disappear into another substance.
solovent the substance that dissolves the solute
solution the homogeneous mixture whose element and/or compounds are evenly mixed or bonded together
physical change form or appearance of matter changes but not its composition
vaporization liquid changes to a solid or a liquid changes to a gas
condensation a gas changes into a liquid
sublimation solid changes directly into a gas
deposition a gas changing directly into a solid
chemical change substances are changed into two different substances
Created by: idumaslee13