5.2. Radioactivity
A subsection of Physics, 0625, through 5. Nuclear physics
Listing 10 of 509 questions
In some areas there are high levels of background radiation. Explain what is meant by background radiation. Suggest how background radiation can be detected. Radon-219 (21 6Rn) is a radioactive gas. Complete the table below to show the number of each type of particle in a neutral atom of 21 6Rn. type of particle number electron neutron proton Alpha particles are emitted when radon-219 decays. Tick the box alongside the correct symbol for an alpha particle. α β γ From what part of the radon-219 atom is the alpha particle emitted? Complete the table below to show the composition of an alpha particle. type of particle number electron neutron proton
0625_s15_qp_22
THEORY
2015
Paper 2, Variant 2
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