Radiation 0.0 / 5 ? PhysicsRadioactivityIGCSECIE Created by: oliviagaillardCreated on: 05-06-14 16:43 A particle that is stopped by a sheet of paper alpha 1 of 5 a particle that is stopped by a thin sheet of aluminium beta 2 of 5 a electromagnetic wave which is stopped by a big block of metal gamma rays 3 of 5 what an alpha particle is heliumnucleus 4 of 5 what a beta particle is electron 5 of 5
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