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JCMS Chemistry 8

JCMS -Introduction to Atoms

atom smallest particle of an element, can't be broken down
element substance that can't be broken into other substances by chemical or physical means
nucleus tiny central core of the atom
subatomic particle particles smaller than the atom that combine to form the atom
protons positively charged subatomic particle that determines an elements identity
electrons negatively charged subatomic particle that is found outside the nucleus of an atom
neutrons a subatomic particle with no charge (NEUTRAL)found in the nucleus of an atom
nucleus the dense center of an atom containing the protons and neutrons
atomic mass the average mass of an atom protons + neutrons
atomic number the number of protons found in the nucleus of an atom
Created by: tdelgado777