Physics Revision Cards 1 0.0 / 5 ? PhysicsRadioactivityGCSEAQA Created by: EmmaIsBehindYouCreated on: 03-03-14 19:58 What is a charged atom called? An ion. 1 of 5 Name 3 similarities and differences between an electron and proton. Electrons have an equal but opposite charge and are much smaller. [It would take around 2000 electrons to equal the mass of a proton or neutron] 2 of 5 What is the name of an element which has several forms, containing different numbers of neutrons? Isotope. 3 of 5 How to unstable nuclei become more stable? Radioactive decay. [They decay into something else] 4 of 5 Name the 3 types of radiation. Alpha, Beta, Gamma. 5 of 5
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