iGCSE PHYSICS RADIOACTIVITY 5.0 / 5 based on 2 ratings ? PhysicsRadioactivityIGCSEAll boards Created by: Chelsey`JohnsonCreated on: 06-03-16 14:37 32794581106 Across 1. time taken for the mass / number / percentage / activity of the nuclei to halve (4, 4) 4. atoms or nuclei that have the same number of protons but different number of neutrons (8) 6. have no charge or mass (5, 4) Down 2. what is ejected during alpha decay (6, 7) 3. stopped by few cm aluminum (4, 9) 5. in which process does a neutron turn into a proton (4, 5) 7. made up of 2 protons and 2 neutrons (5, 9) 8. high penetrating power (5, 4) 9. what did a more stable atom decay from (8, 7) 10. what is given off by very energetic or excited nuclei (5, 4)
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