Physics- Radioactivity Quiz on mainly alpha, beta and gamma radiation 4.0 / 5 based on 10 ratings ? PhysicsRadioactivityGCSEAll boards Created by: Lamise HassanCreated on: 02-05-11 14:52 The number of protons is equal to: The number of electrons 1 of 4 Radioactivity can be measured with A gieger muller tube 2 of 4 Beta is a Fast moving electron 3 of 4 Alpha can penetrate through air and thin sheet of paper 4 of 4
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