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4 marksHalf-life

CSEC Physics · January 2011 · Paper 2 · Question 6(c)(i)

In a half-life experiment, the data shown in Table 4 were obtained.

Use the data to determine: TWO different values of the half-life of the element

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Other parts of this question

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

More practice: the rest of this paper · more Half-life questions · all CSEC Physics past papers