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chapter 3

matter everything that has mass and takes up space
element the ingredients that can make up all other substances. Can't be broken down in to other things
metals good conductors of heat and electricity. can bent without breaking. Most are grey and shiny.
nonmetals do not generate heat or electricity vary well. May be a gas or a solid
semimetals some times like a metal and some times like a nonmetal
atoms the smallest part of a element that still acts like a element
atomic theory states that everything is made of atoms
compound a type of matter that is made up of 2 or more elements
moleculs smallest particles of a compound that still works like a compound
proton positive charge. found in the nucleus
neutrons no charge found in the nucleus
electron negative charge. orbit the nucleus
solid has a definite shape or volume. Particles very close together, Don't move past each other.
liquid definite volume but no shape. particles can move past each other.
gas no definite shape or volume. particles spread out evenly.
plasma like gas, but conducts electricity like metal. occurs with high temperature or electric charges.
melting point liquid to solid or solid to liquids same as freezing point
evaporation liquids become gas
condensation gas beacons a liquid gas particles touch a cold surface temp drops
Created by: Bridget-Johnson