physics Crossword 1.0 / 5 based on 1 rating ? PhysicsGCSEEdexcel Created by: EmilyCreated on: 12-03-13 10:14 heluim nuclei alpha 1 of 8 electrons emitted beta 2 of 8 electromagnetic radiation gamma rays 3 of 8 alpha has a strong positive charge 4 of 8 beta are moderatley ionising 5 of 8 gamma rays are blocked by thick lead 6 of 8 high doses of radiation cause cells to DIE 7 of 8 nuclear fission releases a lot of energy 8 of 8
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