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3T1L1

Atomic Theory

TermDefinition
atom the basic particle from which all elements are made: the smallest particle an element that has properties of that element
electron a tiny, particle that moves around the outside of the nucleus of an atom
nucleus the central core of an atom which contains protons and neutrons
proton a small, positively charged particle that is found in the nucleus of an atom
neutron a small, particle in the nucleus of the atom with no electrical charge
atomic number the number of protons in the nucleus
isotope an atom with the same number of protons and a different number of neutrons from other atoms of the same element
mass number the sum of protons and neutrons in the nucleus of an atom
theory a system of ideas intended to explain something
Created by: djhockett5
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