energy from the nucleus 0.0 / 5 ? Physicsenergy from the nucleusGCSEAQA Created by: lydia__marshallCreated on: 30-04-15 12:25 what is a fissionable isotope an isotope that can undergo the process of fission 1 of 12 which 2 fissionable isotopes are used in nuclear reactors uranium-235 and plutonium-239 2 of 12 when does a chain reaction occur when each fission event causes further fission events 3 of 12 what is nuclear fusion the process of forcing to nuclei close enough together so they form a single larger nuclei 4 of 12 how can nuclei be made to come close enough to fuse nuclear fusion can be brought about by making 2 light nuclei collide at very high speeds 5 of 12 how long did it take for the temperature of he universe to fall enough so that uncharged atoms were formed millions of years 6 of 12 why is a black hole black not even light can escape from it 7 of 12 when is a black whole formed after a supernova if a star has sufficient mass. 8 of 12 what will the final stage in the life cycle of the sun be a black dwarf 9 of 12 what evidence is there that the sun and inner planets formed from the remnants of a supernova the presence of the heavier elements in the sun and inner planets 10 of 12 what is the name of the process that produces the chemical elements fusion 11 of 12 when are elements heavier than iron formed in a supernova 12 of 12
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