Scientists and what they did Flashcards
1
Q
Conducted the gold foil experiment
A
Rutherford
2
Q
Conducted the cathode ray tube experiment
A
Thomson
3
Q
discovered the nucleus
A
Rutherford
4
Q
discovered the electron
A
Thomson
5
Q
found the charge of the nucleus
A
Rutherford
6
Q
Proposed that atoms are mostly empty space
A
Rutherford
7
Q
Found the charge of the electron
A
Thomson
8
Q
theorized that electrons could transition between energy levels by absorbing (then emitting) specific quantum energy
A
Bohr
9
Q
proposed atoms combine to make compounds in simple whole-number ratios
A
Dalton
10
Q
Said that all atoms of a given element are identical in properties (ex. mass) but different than atoms of other elements
A
Dalton
11
Q
suggested that electrons orbit the nucleus at a fixed distances
A
Bhor
