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Atomic Theory
Category:
Other
Updated:
22 Oct 2018
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Created by
Olivia Bull
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New timeline
By
Olivia Bull
22 Oct 2018
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199
Events
All bodies are made up of atoms (tiny invisible particles)
The electron is discovered by J. J. Thomson
Gold Foil experiment leads to discovery of the nucleus by Ernest Rutherford
Antoine Lavoisier discovers that mass is conserved in chemical reactions.
J.J Thomson Discovered the electron
Cathode Ray Tube experiment: JJ Thomson fist subatomic particles. Different metals releases cathode rays
John Dalton: all matter are made of atoms
Daltons Atomic Theory:experiment with gases created a modern theory of n atom
Gold Foil Experiment: Ernest Rutherford nuclear theory of the atom with alpha particles and gold foil
Plum Pudding Atomic Model: JJ thomson atoms are surrounded by electrons
Robert Millikan : hleped dicover the charge of an elcetron
Oil Drop Experiment: Robert Millikan helps measure an electron charge. With droplets of oil and metal.
Law of Conservation and Mass: Antonie Lavoisier mass is neither created nor destroyed by chemical reactions or physical transformations
Antoine Lavoisier: mass is consereved in a chemical reaction
James Chadwick: discoved the neutron
Erwin Schrodinger: discovered the electron using a mechanical model atom
Neils Bohr : Created the Bohr Model with Ernest Ruthford
Bohr Plantary Model: Neils Bohr and Ernest Rutherford The atom is a positively charged nucleus
Rutherford Model: Ernest Rutherford JJ Thomsonś model was incorrect. Rutherford made a modern model
Ernes Rutherford: Discorved the Rutherford model
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