Important People Flashcards

1
Q

Law of Conservation of Mass

A

Antoine Lavoisier

TIP: “lavo-SHARE” (therefore, conserved)

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

Law of Definite Proportions

A

Joseph Proust

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

Law of Multiple Proportions

A

John Dalton

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

Determined the charge-to-mass ratio of an electron

A

JJ Thomson

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

determined the charge of an electron

A

Robert Andrews Millikan

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

discovered X-rays

A

Wilhelm Konrad Rontgen

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

discovered radioactivity in uranium

A

Antoine Henri Becquerel

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

discovered radioactivity in uranium and polonium

A

Marie Curie

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

gold foil experiment

A

Ernest Rutherford

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

bombarded beryllium atoms with alpha particles producing an electrically neutral particle having a mass slightly greater than that of the proton

A

James Chadwick

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Quantum Theory

A

Max Planck

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Photoelectric Effect

A

Albert Einstein

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Emission spectra of atoms

A

Niels Bohr

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

arranged the elements (periodic table) in triads

A

Johann Wolfgang Dobereiner

TIP: DobeTri
Note: Li-Na-K, Ca-Sr-Ba, Cl-Br-I

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

arranged the elements (periodic table) via atomic masses

A

John Newlands

TIP: NewMass

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

found out that every eighth element has similar properties

A

John Newlands

17
Q

arranged the elements (periodic table) according to their recurring periodic properties

A

Dmitri Mendeleev and Julius Lothar Meyer

18
Q

discovered the relationship between atomic numbers and frequencies of generated X-rays

A

Henrey Moseley

TIP: MoseleX

19
Q

Devised a method for calculating relative electronegativities of most elements

A

Linus Pauling

20
Q

Lock and Key Theory

A

Emil Fischer