Scientists Flashcards
1
Q
What experiment did Thomson conduct?
A
Cathode ray tube
2
Q
Who discovered the nucleus?
A
Ernest Rutherford
3
Q
Was Dalton’s theory entirely correct?
A
No, but it almost was. All atoms of the same element actually don’t have the exact same mass. It varies slightly.
6
Q
What did Millikan’s oil drop experiment achieve?
A
We could finally accurately measure the charge of an electron.
7
Q
What model did Rutherford design?
A
Orbital
8
Q
Who discovered the electron?
A
J.J. Thomson
9
Q
Who did the oil drop experiment?
A
Robert Millikan
10
Q
What was included in Dalton’s atomic theory?
A
- Everything is made of atoms, and they can’t be created or destroyed.
- All atoms of the same element have the same mass
- Atoms join together to make compounds, and a given compound always consists of the same proportions
11
Q
What model did Thomson design?
A
Plum pudding
12
Q
What was discovered with Rutherford’s gold foil experiment?
A
Nucleus
