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chapter 3 notes

TermDefinition
matter everything that has mass and takes up space
element the ingredients that make up all other substances
metals conductors of heat and electricity
nonmetals do not conduct heat
semimetals sometimes like metals and sometimes like nonmetals
atom the smallest part of an element
atomic theory states that everything is made of atoms
compound a type of matter made of two or more elements
molecule smallest particle of a compound
proton positive charge
neutron no charge
electron negative charge
solid has a definite volume or shape
liquid has a definite shape but not volume
gas no definite volume or shape
plasma like gas but conducts electricity like metal
melting point Solid to liquid or liquid to solid.  Same temperature as freezing poin
evaporation When liquids become a gas
condensation when gas becomes a liquid
boiling point the temperature when evaporation accurs
solution A mixture where substance spreads out evenly and will not settle
solute the substance being disolved
solvent What the substance is dissolved in
solubility A way to measure how much a material dissolves into another
Created by: preston-gadd
 

 



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