P4: Atomic Structure NEW AQA GCSE 9-1 0.0 / 5 ? PhysicsRadioactivityGCSEAQA Created by: _catherineCreated on: 30-09-17 12:34 You can eat this for dessert The plum pudding model 1 of 16 Ernest Rutherford, 1909 Alpha scattering experiment 2 of 16 James chadwick, 1932 neutrons 3 of 16 Niels Bohr electrons at fixed energy levels 4 of 16 tiny but important the nucleus 5 of 16 emitted or absorbed by the nucleus electromagnetic radiation 6 of 16 different amounts of boring isotopes 7 of 16 same as 2nd element of periodic table alpha particles 8 of 16 energetic electrons beta particles 9 of 16 part of the electromagnetic spectrum gamma rays 10 of 16 decreases the charge and mass of nucleus alpha decay 11 of 16 increases charge of nucleus beta decay 12 of 16 totally random radioactivity 13 of 16 the time it takes for half the radioactive nuclei in a source to halve half life 14 of 16 exposure to radiation irradiation 15 of 16 radioactive particles getting onto objects contamination 16 of 16
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