Chemistry Quiz - Scientists, Physicists And Chemists Part I

12 Questions | By John2by4 | Last updated: Mar 20, 2022 | Total Attempts: 502

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All the chemists and who they were.

Questions and Answers

1.

Greek Scientist who suggested that the world was made up of 2 things: Empty space and atoms.
- A.
  
  Aristotle
- B.
  
  Newton
- C.
  
  Democritus
- D.
  
  Millikan
2.

Proposed matter was continuous and wasn't made of hyles (smaller than atoms).
- A.
  
  Rutherford
- B.
  
  Dalton
- C.
  
  Bohr
- D.
  
  Aristotle
3.

Believed nature was made up of elements, and elements were made of atoms.
- A.
  
  Newton
- B.
  
  Millikan
- C.
  
  Planck
- D.
  
  Proust
4.

Observed experimental observations made by other concurring chemical reactions.
- A.
  
  Thompson
- B.
  
  Dalton
- C.
  
  Rutherford
- D.
  
  Millikan
5.

Made the first, accurate measurement of an electron’s charge.
- A.
  
  Millikan
- B.
  
  Thompson
- C.
  
  Democritus
- D.
  
  Planck
6.

Found high energy particles with no charge called neutrons.
- A.
  
  Bohr
- B.
  
  Dalton
- C.
  
  Proust
- D.
  
  Rutherford
7.

Made a model of an atom (planetary) which used Quantum Theory.
- A.
  
  Bohr
- B.
  
  Planck
- C.
  
  Newton
- D.
  
  Einstein
8.

Figured out under a closed system, mass after the change equal to the mass before the change.
- A.
  
  Bohr
- B.
  
  Lavoisier
- C.
  
  Rutherford
- D.
  
  Aristotle
9.

Discovered that cathode rays consist of electrons. Also calculated the mass of the proton was about 1836x the mass of an electron.
- A.
  
  Einstein
- B.
  
  Proust
- C.
  
  Dalton
- D.
  
  Thompson
10.

Assumed energy is given off in little packets or quantas. Further stated that the amount of energy given off is directly related to the frequency of the light emitted.
- A.
  
  Planck
- B.
  
  Rutherford
- C.
  
  Millikan
- D.
  
  Aristotle
11.

Explained the origin of the energy release during nuclear change.
- A.
  
  Newton
- B.
  
  Aristotle
- C.
  
  Einstein
- D.
  
  Planck
12.

Observed that specific substance always contain elements in the same ratio by mass.
- A.
  
  Einstein
- B.
  
  Proust
- C.
  
  Dalton
- D.
  
  Bohr

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