Radioactive Decay 0.0 / 5 ? ScienceRadioactivityGCSEEdexcel Created by: Nuts50Created on: 11-04-21 07:26 69104723185 Across 1. These radioactive particles can pass through paper but are stopped by aluminium . (4) 4. The ionisation of DNA in the cells of living tissues can cause these changes. (9) 5. Gamma rays travel at the speed of _____. (5) 8. Alpha and beta particles and Gamma rays are emitted from this part of the atom. (7) Down 2. Homer Simpson worked in this nucleur powerplant. (11) 3. Like high energy light, Gamma rays are this form of radiation. (15) 6. The "Am" of Am-241 is the alpha-source radioisotope in smoke detectors. (9) 7. The destruction of atoms into ions by the removal of electrons is called... (10) 9. A sheet of this, or few centimetres of air will stop alpha particles. (5) 10. Unstable, radioactive elements (13)
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