-
Antoine Lavoisier
Explained combustion. -
Law of Conservation of Mass
Mass can't be created or destroyed -
Dalton's Atomic Theory
Guidelines for science. -
John Dalton
Guidelines for Chemistry. -
Law of Definite Proportions
chemical compounds contain a fixed & constant proportion of elements. -
Joseph Louis Proust
Law of Definite Proportion -
Dmitri Mendeleev
Formed Chemisrty. Periodic Table -
Eugen Goldstein
Canal Rays -
Marie Curie
she discovered X-Rays. -
J.J. Thompson
Cathode Ray -
Cathode Ray Tube
Used to Transmit Pictures -
Plum Pudding Atomic Model
Charged Particals -
Gold Foil Experiment
Termed the Nucleus -
Ernest Rutherford
Gold Foil Experiment. -
Robert Millikan
Millikan oil-drop experiment. -
Rutherford Model
alpha particles rebounded almost directly backwards. -
Bohr Planetary Model
Quantum Mechanics -
Henry Moseley
Arranged the Periodic Table -
Niels Bohr
Quantum Mechanical Model -
Erwin Schrodinger
atomic theory visable. -
Quantum Mechanical Model
Electrons defined as standing waves. -
James Chadwick
Nuetron could not be a proton-electron pairing element. -
Lise Meitner
Nuclear Fission -
Democritus
He started it all.