iGCSE PHYSICS RADIOACTIVITY 5.0 / 5 based on 2 ratings ? PhysicsRadioactivityIGCSEAll boards Created by: Chelsey`JohnsonCreated on: 06-03-16 14:37 what does an atom become when an electron is removed positive ion 1 of 16 stopped by few cm aluminum beta particles 2 of 16 what did a more stable atom decay from unstable nucleus 3 of 16 made up of 2 protons and 2 neutrons alpha particles 4 of 16 same as an electron beta particles 5 of 16 atoms or nuclei that have the same number of protons but different number of neutrons isotopes 6 of 16 intensely ionising alpha particles 7 of 16 high penetrating power gamma rays 8 of 16 have no charge or mass gamma rays 9 of 16 mostly comes from natural sources background radiation 10 of 16 what occurs in unstable nuclei radioactive decay 11 of 16 what is ejected during alpha decay helium nucleus 12 of 16 in which process does a neutron turn into a proton beta decay 13 of 16 what is given off by very energetic or excited nuclei gamma rays 14 of 16 time taken for the mass / number / percentage / activity of the nuclei to halve half life 15 of 16 what detects the activity of a radioactive source Geiger-Müller tube 16 of 16
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