1.1.2: Atomic model Flashcards
1
Q
John Dalton
A
- start of 19th century
- solid spheres
- indestructible
2
Q
JJ Thompson
A
Discovered the electron
(1897:Electrons cathode ray tube
1904:)
Plum pudding model
3
Q
Ernest Rutherford
A
Discovered positively charged nucleus
(1909: ) Alpha particles at a thin gold sheet
(1911: ) Nuclear model
4
Q
Neils Bohr
A
Electrons are arranged in shells/orbitals which have fixed energy
Bohr model
5
Q
Order of scientists in atomic model discovery
4
A
John Dalton
JJ Thompson
Ernest Rutherford
Niels Bohr
