Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Chemistry > Quiz 2 > Flashcards

Quiz 2 Flashcards

You may prefer our related Brainscape-certified flashcards:
AP® Chemistry flashcards Periodic Table flashcards Chemistry 101 flashcards Organic Chemistry 101 flashcards
1
Q

Who proposed that material is made of tiny indivisible particles?

A

Democritus

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

Who rivaled Democritus’s idea and with what?

A

Plato + Aristotle proposed particles are smaller indefinitely

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

Who proposed the Law of Conservation of Matter?

A

John Dalton

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

William Prout suggest what idea again?

A

Protyles, idea of atom reemerges

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

JJ Thompson discovered what using Cathode Ray Tubes and Plum Pudding Model

A

discovered electrons and found the charge is 1.76 x 10^8

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

What did Robert Millikan discover?

A

calculated charge and mass of electron with oil drop experiment

Charge: 1.6 x 10^-19
Mass: 9.10x10^-28

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

Ernest Rutherford discovered what?

A

Beta particles (-), gamma rays, and a particles (+) - using Gold Foil experiment AND discovered the proton

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

James Chadwick discovered what?

A

neutron, nucleus = proton + neutron

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

who named the electrons?

A

George Stoney

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q
A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly

Chemistry (3 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions