HISTORY OF THE ATOM
TIMELINE OF THE
John Dalton
was the first complete attempt to describe all matter in terms of atoms and their properties
1766- 1844
J.J. Thomson
experiments with cathode ray tubes showed that all atoms contain tiny negatively charged subatomic particles or electrons
1856- 1940
Ernest Rutherford
is known for his pioneering studies of radioactivity and the atom
1871- 1937
Niels Bohr
The Bohr model shows the atom as a small, positively charged nucleus surrounded by orbiting electrons
1885- 1962
Erwin Schrödinger
The Schrödinger model assumes that the electron is a wave and tries to describe the regions in space, or orbitals, where electrons are most likely to be found.
1887- 1961
Timeline of the history of the atom
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Transcript
HISTORY OF THE ATOM
TIMELINE OF THE
John Dalton
was the first complete attempt to describe all matter in terms of atoms and their properties
1766- 1844
J.J. Thomson
experiments with cathode ray tubes showed that all atoms contain tiny negatively charged subatomic particles or electrons
1856- 1940
Ernest Rutherford
is known for his pioneering studies of radioactivity and the atom
1871- 1937
Niels Bohr
The Bohr model shows the atom as a small, positively charged nucleus surrounded by orbiting electrons
1885- 1962
Erwin Schrödinger
The Schrödinger model assumes that the electron is a wave and tries to describe the regions in space, or orbitals, where electrons are most likely to be found.
1887- 1961