Radioactivity 0.0 / 5 ? PhysicsRadioactivityGCSEOCR Created by: revisionworld478Created on: 15-04-14 13:15 10968321547 Across 1. the atomic... stays the same during beeta decay (4) 4. The place the ionising radiation comes from (6) 7. atoms are radioactive if the balance of protons+neutrons is too.... (7) 8. this radiation travels tens of cm (5) 10. atoms of an element that have different mass numbers (8) Down 2. the joining together of 2 nuclei=nuclear... (6) 3. the atomic... decreases by 2 during alpha decay (6) 5. this radiation is absorbed by paper (5) 6. material that gives out ionising radiation all the time (11) 9. what the E stands for in E=mc2 (6)
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