Atomic Structures Flashcards
1
Q
Democritus.
A
Matter is kmade up of little and indivisible particles.
2
Q
Dalton
A
Atoms of an element are identical, compounds are made up of different elements and proposed the solid sphere.
3
Q
Thompson
A
Discovered electrons (charge and mass) and pudding model.
4
Q
Milikan
A
Discovered electrons charge and mass with the oil droplet experiment.
5
Q
Rutherford
A
Most of the atom is empty and discovered the nucleus (Nuclear Model).
6
Q
Bohr
A
Discovery of orbitals and that electrons change them, absorbing or emitting light (Planetary Model).
7
Q
Sommerfield
A
Orbits may be circular and eliptical, also, made up of four subenergy levels.
8
Q
Schrödinger
A
Electron clouds and probability waves.