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Historical Figures In Chemistry. Oldies but goodies. Democritus. Atomos The indivisible particle. I’m Aristotle and I banish Democritus!. Boyle and Newton. John Dalton. Matter is made of indivisible atoms Atoms of same element are identical Atoms of different elements are different
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Historical Figures In Chemistry Oldies but goodies
Democritus • Atomos • The indivisible particle I’m Aristotle and I banish Democritus!
John Dalton • Matter is made of indivisible atoms • Atoms of same element are identical • Atoms of different elements are different • Elements combine in simple whole number ratios to form compounds
Joseph John (JJ) Thomson • Cathode Tube Ray Experiment http://www.aip.org/history/electron/
Ernest Rutherford • Gold Foil Experiment
Robert Millikan • Oil Drop Experiment • 1.60217646 × 10-19 coulombs
ANTOINNE LAVOISIER • Father of Chemistry • Law of Conservation of MASS
HENRY MOSELEY • Atomic Number
Neils Bohr • Atomic Model • Line Emission Spectrum
James Chadwick • Neutron Jimmy Neutron?
Max Planck • Quantum Model • Planck’s Constant • 6.626068 × 10-34 m2kg/s