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Matter Contributors
Names and definitions of scientists that contributed the study of the atom and matter.
13
Chemistry
10/22/2009
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Term
Schrodinger
 Definition
Electrons in clouds - mathematical model of atom
Term
Mendeleev
 Definition
First periodic table - arranged by mass
Term
Heisenberg
 Definition
uncertainty principle
Term
Chadwick
 Definition
Discovered neutron
Term
Rutherford
 Definition
Gold foil experiment - discovered nucleus
Term
Millikan
 Definition
Exact charge of an electron
Term
Planck
 Definition
Quantum nature of energy
Term
de Broglie
 Definition
Particle and wave duality
Term
Bohr
 Definition
Planetary model of atom
Term
Democritus
 Definition
Proposed idea of atoms in 4th century B.C.
Term
E. Goldstein
 Definition
Discovered proton
Term
J.J. Thomson
 Definition
Discovered electron - plum pudding model
Term
Dalton
 Definition
atomic theory