Unit 2- Scientists Flashcards

1
Q

What experiment did Thomson conduct?

A

Cathode ray tube

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Who discovered the nucleus?

A

Ernest Rutherford

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
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.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What did Millikan’s oil drop experiment achieve?

A

We could finally accurately measure the charge of an electron.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What model did Rutherford design?

A

Orbital

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Who discovered the electron?

A

J.J. Thompson

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What was included in Dalton’s atomic theory?

A
  1. Everything is made of atoms, and they can’t be created or destroyed. 2. All atoms of the same element have the same mass 3. Atoms join together to make compounds, and a given compound always consists of the same proportions
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What model did Thomson design?

A

Plum pudding

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What was discovered with Rutherford’s gold foil experiment?

A

Nucleus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly