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6 marksModels of the Atom

CSEC Physics · January 2011 · Paper 2 · Question 6(a)

J. J. Thompson and Ernest Rutherford contributed to the modern-day view of the model of the atom.

For EACH of these scientists, describe briefly TWO main ideas they put forward concerning the nature of the atom, including the name of EACH of their models.

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Other parts of this question

  1. 6(b)(i)You are required to determine: which nuclides have the identical mass number[5 marks]
  2. 6(b)(ii)You are required to determine: how many neutrons are in the heaviest nuclide[1 mark]
  3. 6(b)(iii)You are required to determine: which nuclides are isotopes.[1 mark]
  4. 6(c)(i)Use the data to determine: TWO different values of the half-life of the element[4 marks]
  5. 6(c)(ii)Use the data to determine: The average half-life of the element[1 mark]

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