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Atom the smallest of an element that maintain the properties of that element
Element a substance that cannot be separated or down into simpler substances by chemical mean
Nucleus in physical science, an atom's central region, which is made up of protons and neutrons
Neutron a substance particle that has no charge and that is found in the nucleus of an atom
Electron a substance particle that has a negative charge
Atomic number the number of protons in the nucleus of an atom; the atomic number is the same for all atoms of an element
Neutral have no overall charge
Atomic Mass the mass of an atom expressed in atomic mass units
Chemical Symbol a one- or two- letter code that represents an element
Protons a substance particle that has a positive change and that is found in the nucleus of an atom
Created by: Jordan Lee