Scientists Flashcards
Chemistry
1
Q
Dalton’s Atomic Theory
A
All matter is made of atoms that are tiny, atoms cannot be created or destroyed
2
Q
Lavoisier’s Law of conservation mass
A
He burnt substances and measured the mass before and after
3
Q
Thomson’s cathode ray tube and plum pudding model
A
He discovered electrons, they have 0 mass
4
Q
Rutherford’s Gold Foil experiment
A
Discovered the nucleus
5
Q
Bohr’s planetary model
A
Outside rings have the most electrons, 2, 8, 8, 18, 18, 32, 32
6
Q
A
7
Q
Schrodinger’s wave model
A
electron cloud theory, electrons are found outside the nucleus
8
Q
Chadwick’s discovery of the neutron
A
discovered the neutron, Geiger counter
9
Q
Millikan’s oil drop experiment
A
Invented how to find the charge of an electron
