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Atomic structure

5.1

TermDefinition
The first idea of the atom is that Atoms are tiny spheres that can’t be divided
Electrons were discovered by J. J. Thomson
J. J, Thomson created the Plum pudding model
The plum pudding model suggests that Atoms are a ball of positive charge with negative electrons randomly scattered
Rutherford discovered the nucleus via the Alpha particle experiment
Alpha particles were fired at Gold foil
The size of an atom 1 x 10^-10
The size of the nucleus’ radius 1 x 10^-14
Niels Bohr discovered Electrons orbit the nucleus at fixed distances
James Chadwick discovered Neutrons
Created by: That cool NAMe
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