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General Science

ATOMIC STRUCTURE MCQs

Total Questions : 26

Page 1 of 3 pages
Question 1. Which of these is NOT a basic piece of an atom?
  1.    proton
  2.    neutron
  3.    electron
  4.    quantron
 Discuss Question
Answer is Option D. -> quantron
Question 2. In what part of an atom can the protons and neutrons be found?
  1.    nucleus
  2.    neutrine
  3.    electron cloud
  4.    proton cloud
 Discuss Question
Answer is Option A. -> nucleus
Question 3. Where electrons are likely to be found as they travel around the nucleus
  1.    Nucleus
  2.    Electron Cloud
  3.    Within a Proton
  4.    Within a Neutron
 Discuss Question
Answer is Option B. -> Electron Cloud
Question 4. In an atom, the number of protons is equal to the number of ____________
  1.    energy levels
  2.    neutrons
  3.    neurons
  4.    electrons
 Discuss Question
Answer is Option D. -> electrons
Question 5. Which part of an atom is used to identify it?
  1.    number of protons
  2.    number of neutrons
  3.    number of electrons
  4.    All of above
 Discuss Question
Answer is Option A. -> number of protons
Question 6. Which of these phrases best describes an atom?
  1.    a positive nucleus surrounded by a hard negative shell
  2.    a positive nucleus surrounded by a cloud of negative charges
  3.    a hard sphere with postive and negative charges on the outside
  4.    a negative nucleus surrounded by protons and neutrons
 Discuss Question
Answer is Option B. -> a positive nucleus surrounded by a cloud of negative charges
Question 7. What is true about an atom?
  1.    Most of the space in an atom is taken up by the nucleus
  2.    Atoms are mostly empty space
  3.    Atoms have no mass
  4.    Electrons have much more mass that protons or neutrons.
 Discuss Question
Answer is Option B. -> Atoms are mostly empty space
Question 8. The area of the atom where protons and neutrons are found
  1.    Electron Cloud
  2.    Nucleus
  3.    Energy Level
  4.    All of above
 Discuss Question
Answer is Option B. -> Nucleus
Question 9. Which subatomic particles are found in the nucleus of an atom?
  1.    Protons and Electrons
  2.    Protons and Neutrons
  3.    Neutrons and Electrons
  4.    Protons, Neutrons and Electrons
 Discuss Question
Answer is Option B. -> Protons and Neutrons
Question 10. A positively charged particle found in the nucleus of the atom
  1.    Proton
  2.    Electron
  3.    Neutron
  4.    All of above
 Discuss Question
Answer is Option A. -> Proton
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