radioactivity 0.0 / 5 ? PhysicsRadioactivityGCSEEdexcel Created by: sharonn.0Created on: 21-04-22 21:44 what are type of radioactive decay - alpha - beta plus -beta minus -gamma 1 of 15 what is alpha particle the same as helium nucleus 2 of 15 what happens to alpha particles mass number and atomic number - atomic number decrease by two - mass number decrease by four 3 of 15 what is beta minus decay a neutron will turn into a proton and fast emitting electron 4 of 15 what happens to beta minus mass number and atomic number mass number stays the same atomic number increases by one 5 of 15 what is beta plus decay a proton will turn into neutron and positron 6 of 15 what happens to beta plus atomic number and mass number mass number stays the same atomic number decreases by one 7 of 15 what is the most ionising decay alpha 8 of 15 what is the weakest ionising decay gamma ray 9 of 15 what stops alpha from penetrating paper 10 of 15 what stops beta from penetrating aluminum foil 11 of 15 what stops gamma from penetrating few centimeters of lead 12 of 15 how does photographic film detect radiation when the film is exposed to too much radiation it becomes very dark 13 of 15 what process is radioactive decay random 14 of 15 unit for activity Becquerels 15 of 15
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