Quiz: History Of The Atomic Theory!

13 Questions | By Pearsonk | Last updated: Mar 21, 2022 | Total Attempts: 1195

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Quiz: History Of The Atomic Theory! - Quiz

Quiz: History of the atomic theory! Atoms are the smallest units of matter, and they combine to form compounds. Do you know that a chemical reaction is only said to have occurred if atoms have been rearranged? Do take up the quiz below and get to see what you know about the studies scientists have undertaken and theories made up to explain atoms.

Questions and Answers

1.

Who proposed that everything was made of tiny particles, called atomos, surrounded by empty space?
- A.
  
  Democritus
- B.
  
  Neils Bohr
- C.
  
  Werner Heisenbergy
- D.
  
  Ernest Rutherford
2.

What does "atomos" mean in greek?
- A.
  
  Indivisible
- B.
  
  Small
- C.
  
  Matter
3.

Aristotle stated that matter was made of 4 elements. What were those 4 elements?
- A.
  
  Fire
- B.
  
  Earth
- C.
  
  Wind
- D.
  
  Water
- E.
  
  Hydrogen
4.

___________ believed that compounds were combinations of atoms from different elements that could not be created or destroyed. Law of Conservation of Matter
- A.
  
  John Dalton
- B.
  
  Democritus
- C.
  
  Aristotle
5.

J.J. Thomson won a Noble Prize for his discovery of _________.
- A.
  
  Electrons
- B.
  
  Protons
- C.
  
  Neutrons
6.

J.J Thomson ...
- A.
  
  Believed the atom was a sphere of positive matter packed with negative electrons (plum pudding model)
- B.
  
  Believed there that matter contained 4 elements - earth, fire, wind, and water
- C.
  
  Believed that matter is composed of space
7.

Ernest Rutherford ...
- A.
  
  Father of the Nuclear Age
- B.
  
  Father of the Periodic Table
- C.
  
  Father of Chemistry
8.

Who is famous for the Gold Foil Experiment.
- A.
  
  Ernest Rutherford
- B.
  
  Aristotle
- C.
  
  Werner Heisenbergy
- D.
  
  Lebron James
9.

The Gold Foil experiment by Ernest Rutherford showed atoms ....
- A.
  
  Are mostly empty space
- B.
  
  Have a dense nucleus
- C.
  
  Have a positively charged nucleus
- D.
  
  show opposite charges attract
10.

Neils Bohr's theory stated
- A.
  
  Electrons moved around the nucleus at fixed energies and distances.
- B.
  
  Electrons can jump from one level to another but don't stop in the distances between the levels. e
- C.
  
  Protons and electrons equal each other in a neutral atom
11.

Who came up with the Uncertainty Principle that says it is impossible to determine the exact position and speed and of an electron when it is orbiting the nucleus?
- A.
  
  Werner Heisenbergy
- B.
  
  Coach Pearson
- C.
  
  Democritus
- D.
  
  Neils Bohr
12.

What scientist was correct all along in his theory of what stuff was made of? (click all that apply)
- A.
  
  Democritus
- B.
  
  Werner Heisenbergy
- C.
  
  Ernest Rutherford
- D.
  
  Aristotle
13.

John Dalton's 6 Postulates are ....
- A.
  
  All matter consists of indivisible particles called atoms
- B.
  
  Atoms of the same element are similar in shape and mass, but differ from the atoms of other elements.
- C.
  
  Atoms cannot be created of destoryed
- D.
  
  Atoms of different elements may combine with each other in a fixed, simple, whole number ratios to form compound atoms
- E.
  
  Atoms are very small
- F.
  
  Atoms make up the elements on the Periodic Table
- G.
  
  Atoms of the same element can combine in more than 1 ratio to form 2 or more compounds
- H.
  
  The atom is the smallest unit of matter that can take part in a chemical reaction