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Atomic Basics

matter anything that has mass and takes up space
atom building block of matter
element substance with only one type of atom
proton positively charged particle
neutron particle with no charge
electron negatively charged particle
atomic number number of protons in an atom
atomic mass number of protons plus neutrons
isotopes atoms of the same element with different numbers of neutrons
nucleus center of an atom; contains protons and neutrons
electron cloud where electrons are found
Created by: kaj81