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Chapter 3

TermDefinition
matter every thing that has mass and takes up space
element the ingredients that make up all other substances. Can't be broken down into other substances.
metals good conductors of heat and electricity. Can bend without breaking. most have a gray color
nonmetals don't conduct heat/ electricity very well, may be a gas or a solid
semimetal sometimes like metals sometimes like a semimetal.
atom the smallest part of an element that still acts like that element.
atomic theory states that everything is made of atoms
compound a type of matter made of 2 or more elements
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
electrons negative charge orbits the nucleus
Created by: Ellycow02
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