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Atoms/Periodic Table

8th grade atoms study list

TermDefinition
Protons positive charge of an atom ; in the nucleus
Electrons negative charge of an atom; electron cloud
Neutrons have no charge; in the nucelus
Valence electrons The outer most shell of electrons; just remove the one from the group number to find it.
Atomic number Same as the proton number or the number of protons in an atom
Element' s mass Add the number of electrons and neutrons
Calculating the number of neutrons Subtract the atom number from atomic mass
Element square (information) Element name, abbreviation, atomic number, mass
Created by: Ghatta26