C1 Atomic structure and the history of the atom Flashcards
1
Q
Who in the 19th century described atoms as solid spheres
A
John Dalton
2
Q
Who concluded in 1827 that atoms were not solid spheres by conducting the famous alpha particle experiment and discovered atoms had a nucleus surrounded by a ‘cloud’ of negative electrons
A
Ernest Rutherford
3
Q
Who came up with the nuclear model
A
Neil Bohr
4
Q
Who came up with the planetary model in 1909
A
Ernest Rutherford
5
Q
Who discovered protons
A
Ernest Rutherford
6
Q
Who also discovered neutrons
A
James Chadwick
7
Q
Who came up with the plum pudding model
A
J.J.Thompson
