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Atomic Structure

Democritus First person to define an atom as the smallest particles he could crush
Electron negatively charged particle
proton positively charged particle
atom smallest particle with the properties of a particular element
Dalton Scientist who proposed that atoms where spherical in shape
charge when an atom is positive or negative due to the less or gain of electrons
isotope atoms with more or less neutrons than normal
Rutherford Scientist who proved that atoms were mostly space
atomic mass average weight of the atoms making up a particular
nucleus center of atom
Created by: loddengaardj