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Aristotle
States the matter and space are not visibly divisible through observations -
John Dalton
John Dalton pictures atoms as tiny indestructable spere, because he wanted a way to explain. -
J.J. Thomson
Thomson discovers electrons embedded in a sphere of energy,
through his experiments. -
Hantoro Nagaoka
Nagaoka suggest that atoms have a central nuclues, -
Period: to
Ernest Rutherford
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Ernest Rutherford
States that an atom has dense, positively charged nuclues. -
Niels Bohr
Bohr discovered that electrons move in spherical orbits at fixed distances from the nucleus. Bohr's model looks very simular to Rutherford's model. -
Louid de Broglie
Through intense resarch Brogile discovers that moving particles like electrons have some properties of waves. -
Erwin Schrodinger
Develops mathematical equations to describe the motion of electrons in atoms. -
James Chadwick
Confirms the existence of neutrons have no charge -
Democritius
Democritus belives that atoms are in constant motin because he thinks they make up everything and since most move the atoms have to move.
