Quiz  /  Structure of Atom Class 9 MCQ Questions With Answers

  • 1. 
    WhIch sub atomic particle vary between isotopes of an element?

  • protons, electrons, and atomic mass
  • protons, electrons, and atomic number
  • neutrons and electrons
  • neutrons only

  • 2. 
    Neutrons have a negative charge

  • True
  • False

  • 3. 
    A particle that moves around the nucleus is called an

  • proton
  • electron
  • neutron

  • 4. 
    The positive particles of an atom are

  • electrons
  • neutrons
  • nucleus
  • protons

  • 5. 
    The------ particle determines the identity of what element you have'

  • electron
  • proton
  • neutron
  • valence shell

  • 6. 
    How many neutrons in C-14?

  • 6
  • 7
  • 14
  • 8

  • 7. 
    Particles in an atom that are neutral and have no charge are

  • protons
  • neutrons
  • electrons

  • 8. 
    The central region of an atom where its neutrons and protons are is its

  • nucleus
  • core
  • electron cloud
  • centre

  • 9. 
    What are the three particles that make up the atom?

  • protons, neutrons and isotopes
  • protons, negatives and electrons
  • neutrons, isotopes and electrons
  • protons, neutrons and electrons

  • 10. 
    What does the nucleus of an atom contain?

  • Electrons and neutrons
  • Protons and neutrons
  • Electrons and protons
  • Neutrons and electrons

  • 11. 
    All matter is made of

  • energy
  • electrons
  • atoms
  • compounds

  • 12. 
    Electrons have this type of charge

  • negative
  • neutral (no charge)
  • positive
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