Quiz  /  Structure of Atom Class 10 MCQ Questions With Answers

  • 1. 
    The positively charged particles of an atom are the ________.

  • electrons
  • protons
  • neutrons
  • protons & neutrons

  • 2. 
    A neutron has this charge

  • negative
  • positive
  • neutral

  • 3. 
    Oxygen’s atomic number is 8. This means that an oxygen atom must have

  • 8 electrons
  • 8 protons
  • 8 neutrons
  • a mass number of 8

  • 4. 
    The negatively charged particles of an atom are the ______.

  • electrons
  • protons
  • neutrons
  • protons & neutrons

  • 5. 
    What is the mass number of this element?

  • 5
  • 27
  • 32
  • 59

  • 6. 
    The particles with no charge in an atom are the _______.

  • electrons
  • neutrons
  • protons
  • protons and neutrons

  • 7. 
    An electron has this charge

  • positive
  • negative
  • neutral

  • 8. 
    In an atom, what is the number of protons equal to?

  • The number of electrons.
  • The number of neutrons.
  • The number of molecules.
  • The number of nuclei.

  • 9. 
    Which element has 31 protons ?

  • Gallium
  • Germanium
  • Gadolinium
  • Polonium

  • 10. 
    The center of an atom that holds protons and neutrons?

  • model
  • electron
  • nucleus
  • neutron

  • 11. 
    What number indicates an electron?

  • 1
  • 2
  • 3
  • 4

  • 12. 
    What is at the center of every atom?

  • An electron
  • A compound
  • A molecule
  • A nucleus

  • 13. 
    What number indicates the nucleus?

  • 1
  • 2
  • 3
  • 4

  • 14. 
    Which two particles make up the nucleus of an atom?

  • Protons and Electrons
  • Protons and Neutrons
  • Molecules and Compounds
  • Neutrons and Electrons

  • 15. 
    A proton has this charge

  • negative
  • positive
  • neutral
  • None of these
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