Atomic Model Development and Electron Cloud Quiz
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Questions and Answers

Who developed the plum pudding model of the atom?

  • J.J. Thomson (correct)
  • John Dalton
  • Niels Bohr
  • Ernest Rutherford
  • What does the Heisenberg's Uncertainty Principle state?

  • Electrons move in defined orbits at fixed distances from the nucleus.
  • It is impossible to know the exact position and momentum of an electron simultaneously. (correct)
  • The position of an electron is fixed within a specific radius around the nucleus.
  • The energy levels of electrons are quantized.
  • What is the probable location of an electron in an atom according to the electron cloud model?

  • An area where the electron is likely to be found based on its energy. (correct)
  • A fixed and predictable orbit around the nucleus.
  • An area of high electron density within the nucleus.
  • A specific point with a definite distance from the nucleus.
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