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Atomic Theory timeline
Created by
Andrew
⟶ Updated 27 Sep 2018 ⟶
List of edits
Timelines by
Andrew
:
4 Oct 2018
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362
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Events
Democritus is born (Abdera, Thrace)
Democritus Dies
Niels Bohr is born (Copenhagen, Denmark)
Niels Bohr dies
JJ Thomson is born (Lancashire, England)
JJ Thomson dies
John Dalton is born (Cumberland, England)
John Dalton dies
Ernest Rutherford is born (Nelson, New Zealand)
Ernest Rutherford dies
Erwin Schrodinger is born (Vienna, Austria)
Erwin Schrodinger dies
James Chadwick is born (Cheshire, England)
James Chadwick dies
Bohr Model is introduced
Electron Identified
Bohr model changed to the Quantum Mechanic model.
Neutron discovered
Periods
Democritus (Formed Atomic Theory)
Niels Bohr (Introduces the Bohr Model)
JJ Thomson (Identified electron and found first subatomic particle)
John Dalton (Introduces Modern Atomic Theory)
Ernest Rutherford (Helped discover electron)
Erwin Schrodinger (Changed the Bohr model to include electrons rotating around the nucleus)
James Chadwick (Discovered the Neutron)