Electric Charge and Sub-Atomic Particles Quiz
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Questions and Answers

What sub-atomic particle did J.J. Thomson identify in 1900?

  • Neutron
  • Canal rays
  • Proton
  • Electron (correct)

    • Who discovered the presence of positively charged radiations known as canal rays?

  • Ernest Rutherford
  • J.J. Thomson
  • E. Goldstein (correct)
  • Niels Bohr

    • What is the charge of a proton?

  • Plus one (correct)
  • Plus two
  • Zero
  • Minus one

    • What is the charge of an electron?

    <p>Minus one</p> Signup and view all the answers

    Based on the text, what is the mass of a proton relative to that of an electron?

    <p>Approximately 2000 times the mass of an electron</p> Signup and view all the answers

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