History of the Atom Flashcards
1
Q
Atomic Theory
A
Ancient Greeks
2
Q
1800’s, atoms are small spheres and there are different sized spheres for different elements.
A
John Dalton
3
Q
Plum Pudding Model
A
Thomson
4
Q
Alpha Particle experiment, discovery of nucleus and later on protons.
A
Ernest Rutherford
5
Q
Electrons orbiting the nucleus
A
Bohr
6
Q
The existence of neutrons
A
Chadwick
