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Atomic Theory

Published on Nov 18, 2015

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1.

ATOMIC THEORY

BY: JORDAN ALNEMER & ALEXIS ROMO
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2.

The atomic theory has been developed over thousands of years

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3.

DEMOCRITUS

4.

JOHN DALTON & 5 POSTULATES

5.

JJ THOMSON

DISCOVER NEGATIVELY CHARGED ELECTRONS USING CATHODE RAY TUBE.
6.

ERNEST RUTHERFORD

DISCOVERED POSITIVLY CHARED NUCLEUS USING GOLD FOIL.
7.

NIEL BOHR

ELECTRONS ORBIT THE NUCLEUS AT SET DISTANCES FROM THE NUCLUS.
8.

JAMES CHADWICK

DISCOVERED THE NEUTRON & WAS LOCATED IN NUCLEUS.

Alexis Romo