Nuclear Physics A quiz that tests the facts on nuclear physics needed for AQA additional science. Good Luck! 4.0 / 5 based on 16 ratings ? PhysicsRadioactivityGCSEAQA Created by: EmCreated on: 09-06-09 14:07 How many protons and neutrons are lost during alpha decay? 2 protons, 2 neutrons 1 of 6 When a nucleus emits gamma radiation, what happens? No change 2 of 6 What is an atom called when it loses or gains electrons? an ion 3 of 6 What does the plum pudding model of an atom look like? an atom consisting of a positive sphere of matter in which negative electrons were embedded 4 of 6 When does nuclear fission occur? When a neutron collides with and splits a uranium- 235 or a plutonium-239 nucleus 5 of 6 Does nuclear fission or nuclear fusion result in a chain reaction? Fission 6 of 6
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