Q5 Flashcards
1
Q
Who worked on cathode rays
A
Thompson
2
Q
Beta decay
A
- 0
P -> n + e
- 0
- 1
3
Q
Alpha decay
A
- 4
- 2
4
Q
What two properties do electrons have
A
Wave like and particle properties
5
Q
3 observations of Rutherford
A
Most alpha particles undeflected
6
Q
Alpha particles
A
Helium nuclei
7
Q
Cathode rays properties
A
Negatively charged
Move paddle wheel
8
Q
Who measured ratio of charge to mass
A
Thompson
9
Q
Proved that electrons reside in electron cloud
A
Rutherford
10
Q
Measured charge of electron
A
Millikan