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chapter 3

TermDefinition
matter everything that has mass tacks up space
element the ingredients that makes up all other substances. cant be broken down into other substances.
metals good conductors of electricity and heat. can band without breaking. most have a gray color.
nonmetals do not conduct heat or electricity very well. may be a gas or a solid.
semi-metals (metal loid) sometimes like metals and sometimes like nonmetals
atom the smallest part of an element that still acts like an element.
atomic theory states that everyting is made of atoms.
compound a type of matter made of two or more elements
molecule smallest particale of a compound that still acts like that compound.
proton positive change. found in the nucleus.
neutron no change. found in the nucleus
electrons negintive charge. orbits the nucleus
solid as a definite shape and volume. partacals are very close together and don't move past each other. keep shape
Created by: evan-johnson
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