Atomic Subatomic Particle Discoveries Quiz
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Questions and Answers

Who discovered the presence of new radiation in a discharge and called them canal rays?

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

    • What was the charge of the radiation discovered by E. Goldstein in a discharge?

  • Negative
  • Variable
  • Positive (correct)
  • Neutral

    • What was known about the atom by 1900?

  • It was a divisible particle
  • It contained multiple subatomic particles
  • It was an indivisible particle but contained at least one subatomic particle (correct)
  • It was an indivisible particle with no subatomic particles

    • Who identified the electron in 1897?

    <p>J.J. Thomson</p> Signup and view all the answers

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