Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
11 Cards in this Set
- Front
- Back
- 3rd side (hint)
Democritus |
World made it atomos theory and created the idea atom. Sea Shale experiment. 400 B.C |
|
|
Aristole |
Believed Atoms were non- existent. Elements are Fire, Earth, Air, and Water. |
|
|
J.J Thomspon |
Discover electrons. Cathode- Ray experiment and he Did Plum Pudding Model. Electrons inside solid ball. 1800 |
|
|
John Dalton |
Atomic Theory- Elements made of atoms. 1900 |
|
|
Niles Bohr |
How energy was released at link electrons at different atomic level. |
|
|
Ernest Rutherford |
Created Protons and he did the Gold Foil. |
|
|
Robert Millikan |
Charge of the electrons. He did the oil drop experiment.
|
|
|
James Chadwick |
The existence of neutrons it help the atomic bomb. He did the Paraffin wax experiment. |
|
|
Louis de broglie |
Quantum Theory and wave duality Instead of electrons stand in a straight circles the electrons move in waves around the nucleus. |
|
|
Werner Heisenberg |
Uncertainily Principle "We cannot a sign electrons in space at a given time. We cannot assume that the planetary orbits presented by Niels Bond actually exist" |
|
|
Max Planck |
He figured out Quantam packet of 3nergy |
|