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chapter 3

matter everything that has mass and takes up space
element ingredients that make up all other substances.Can't be broken down into other substances
metals good conductors of electricity and heat. can bend without breaking. most have a gray color
nonmetals do not conduct heat/ electricity very well maybe a gas or solid
semi metals sometime like metal and some times like nonmetals
atom the smallest part of the element that still acts like an element
atomic theory states that everything is made of atoms
compound a type of matter made of two or more element
molecule smallest particle of a compound that still acts like a compound
proton positive charge. found in the nucleus
neutron no charge.found in the nucleus
electron negative charge. orbits the nucleus
solid has a definite shape and volume. particles do not move past each other,do not past each other. Kepps shape
liquid definite volume but not shape,particles can move past each other. Takes shape of container
gas has no definite shape or volume. Particles take spread out evenly and take the shape of container
plasma Like a gas, but conducts electricity like a metal. Occurs with high temps or electric charge.
MELTING POINT When solid to liquid or liquid to solid. Same temp as freezing point.
EVAPORATION When liquids become a gas.
CONDENSATION When gas become a liquid. Gas particles touch a cold surface and the temperature drops
Created by: duke2002