Scientists of Atomic Theory Worksheet

Father of the Atom
Believed in Earth Elements (earth, fire, water, air)
Created the first atomic model
Discovered the electron; Plum Pudding Model
Discovered Elements Ra and Po
Quantum Theory of Energy
Determined the charge & mass of an electron
Gold Foil Experiment; Atom is mostly empty space; Discovered the nucleus.
Discovered that electrons move around the nucleus in orbits called electron shells
Arranged the periodic table by atomic number instead of mass number
Contributed to creation of Quantum Mechanics; pioneer in the theory of crystals; won Nobel Prize in 1954 for his work in interpretation of the wave function first proposed in 1926.
All moving objects have wave-like behavior. Matter shows properties of both wave and particles
Pauli exclusion principle
Discovered the neutron
Discovered nuclear fission
Father of nuclear chemistry
Discovered nuclear fission with Otto Hahn and help from Lise Meitner
A German physicist that speculated that there was no real certainty in where an electron was, and only tendencies. This broke down Newton's dependable laws to only probabilities.
Quantum Mechanial Model of the atom