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Atom Presentation

Published on Nov 20, 2015

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PRESENTATION OUTLINE

ATOMIC THEORY

HOW IT HAS CHANGED OVER THE YEARS
Photo by ®DS

DEMOCRITUS

450 BC
Photo by Ian W Scott

ATOMOS

Photo by Domiriel

ARISTOTLE

340 BC
Photo by maha-online

EARTH, WIND, FIRE, WATER ELEMENTS

Photo by Werner Kunz

DALTON

1803

BILLIARD BALL MODEL

JJ THOMSON

1897

PLUM PUDDING MODEL

MILIKAN

1909

MASS/CHARGE OF ELECTRONS

Photo by agaudin

RUTHERFORD

1909

POSITIVE CHARGED NUCLEUS MODEL

Photo by bourgeoisbee

CHADWICK

1932

PROTON NEUTRON MODEL