Radioactivity revision Radiation revision. 4.0 / 5 based on 1 rating ? ScienceRadiationGCSEOther Created by: phoebemoulsonCreated on: 20-11-14 10:27 Radioactive substances decay naturally, what do they give off? alpha beta and gamma radiation 1 of 10 Radioactive decay is a random process so it is not effected by what? physical conditions such as temperature 2 of 10 What is the definition of a half-life? the average time that it takes for half of the nucli to decay 3 of 10 Which element has the largest stable nucleus? lead 4 of 10 An alpha particle is the same as what? a helium nucleus 5 of 10 What is a beta particle? a fast moving electron 6 of 10 How is a beta particle emitted from a nucleus? a neuton changes into a proton and an electron 7 of 10 Why is Gamma radiation diffrent from alpha and beta radiation? because it is an electromagnetic wave 8 of 10 What radioactive particles can be used in smoke detectors alpha particles 9 of 10 What could be used to detect gamma radiation used in an industrial tracer? a geiger counter 10 of 10
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