b) i. 212Rn has a half life of 24 minutes. What does this means? 212Rn ii. Draw a graph showing the decay of 212 Radon (
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b) i. 212Rn has a half life of 24 minutes. What does this means? 212Rn ii. Draw a graph showing the decay of 212 Radon (
b) i. 212Rn has a half life of 24 minutes. What does this means? 212Rn ii. Draw a graph showing the decay of 212 Radon (% radon remaining versus time in minutes) time (4 marks) c) The isotope C has a half life of 5730 year. If a sample contains 1.00 x 102 carbon-14 nuclei, what is the activity of the sample? (4 marks) d) Equation 1 shows the nuclear fission of Uranium-235 nuclei by slow moving neutrons. 230 + In = 139 Xe + Sr+20on) + energy (1) Calculate the energy released in the reaction. Given: Nuclide Binding energy per nucleon, E/ MeV 8.74 950 139 Хе 8.39 7.60 4
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