Structure of Atom Quiz: Class 9, Chapter 4
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Structure of Atom Quiz: Class 9, Chapter 4

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Questions and Answers

What is the central part of an atom called?

  • Nucleus (correct)
  • Neutron
  • Electron
  • Proton
  • Which subatomic particle has a positive charge?

  • Electron
  • Nucleus
  • Proton (correct)
  • Neutron
  • What is the mass of an electron compared to a proton?

  • 1/1836 (correct)
  • 1836
  • 1
  • 0
  • Which subatomic particle orbits the nucleus of an atom?

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    Study Notes

    Atomic Structure

    • The central part of an atom is called the nucleus.
    • The subatomic particle with a positive charge is the proton.
    • The mass of an electron is significantly smaller compared to a proton, with a mass ratio of approximately 1:1836.
    • Electrons are the subatomic particles that orbit the nucleus of an atom.

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    Description

    Test your knowledge about the structure of an atom with this quiz. Answer questions about the central part of an atom, subatomic particles, their charges, and their masses.

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