Atom Model Quiz

11 Questions | By Nickgm98 | Updated: Mar 22, 2022 | Attempts: 5345

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Today we tackle one of the most important topics in the scientific field of chemistry – the atom! What do you know about the smallest constituent unit of ordinary matter, how it came to be discovered and what makes it up? Take the quiz and we’ll find out! Good luck!

Questions and Answers

1.

How do scientists know how atoms are structured?
- A.
  
  By looking at them under a microscope
- B.
  
  By running experiments that expose their properties
- C.
  
  By examining only the largest atoms
- D.
  
  By splitting them apart
2.

What can you conclude from the fact that scientists continue to update the atomic model?
- A.
  
  New information about atoms continues to be discovered
- B.
  
  Old information about atoms is completely useless
- C.
  
  Scientists did not have any information about atoms until a few years ago
- D.
  
  Scientists still have no idea what atoms look like
3.

What contribution did John Dalton make to atomic theory? [Dalton]
- A.
  
  He discovered that every atom was positively charged
- B.
  
  He discovered that every element consisted of one type of atom
- C.
  
  He discovered that atoms had nuclei
- D.
  
  He discovered that atoms could be divided into smaller parts
4.

Place the following scientists in order, from earliest to latest: A) Ernest Rutherford; B) J.J. Thomson; C) John Dalton
- A.
  
  B, C, A
- B.
  
  C, A, B
- C.
  
  A, C, B
- D.
  
  C, B, A
5.

The majority of an atom’s mass exists where?
- A.
  
  In the nucleus
- B.
  
  In the electron cloud
- C.
  
  In the space between the nucleus and the electrons
- D.
  
  In the neutrons
6.

What are electrons?
- A.
  
  Positively charged particles
- B.
  
  Neutrally charged particles
- C.
  
  Negatively charged particles
- D.
  
  Uncharged particles
7.

Ernest Rutherford discovered that atoms were mostly
- A.
  
  Negatively charged
- B.
  
  Positively charged
- C.
  
  Electrons
- D.
  
  Empty space
8.

What does the nucleus of an atom contain? [Atomic nucleus]
- A.
  
  Electrons and neutrons
- B.
  
  Protons and neutrons
- C.
  
  Neutrinos and positrons
- D.
  
  DNA and RNA
9.

How are neutrons different from protons and electrons?
- A.
  
  They are more massive than protons and electrons
- B.
  
  They have no electrical charge
- C.
  
  They are less massive than protons and electrons
- D.
  
  Protons and electrons exist in atomic nuclei; neutrons orbit the nucleus in a “cloud”
10.

How are electrons arranged in an atom?
- A.
  
  In groups of five
- B.
  
  In energy levels
- C.
  
  By color
- D.
  
  By shape
11.

THIS QUESTION IS NOT GRADED: Did this test make sense ? Where there any questions that didnt make sense or that were to hard to answer ?