historical figures in chemistry oldies but goodies
TRANSCRIPT
Historical Figures In Chemistry
Oldies but goodies
Democritus
Atomos The indivisible
particleI’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
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
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