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11 terms

Chemistry: The Atom

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Thompson
Discovered the electron in 1897; Developed the "Plum Pudding Model"
Rutherford
Discovered the proton in 1910; Did the alpha scatter experiment.
Chadwick
Discovered the neutron in 1932
-1e0
Symbol for electron
1H1
Symbol for proton
0n1
Symbol for neutron
Lavoisier
Developed the law of conservation of mass
Dalton
Developed the law of multiple proportions
Proust
Developed the law of definite proportions
Mass Number
Neutrons added to protons
Atomic Number
Equals the number of protons or electrons