ocr: provide electricity for housgnds of yesrs and does not add to globa! warming. But is it sefe? People disagree about this. Fission The fuel in most nuclear power-stations contains a special type of uraniun metal called uranians-235 (ir has 235 neutrons ad protons in: the nucleus of each atorl.Wher a nucleus of uranun-235 1S bit by. a neutron, it spiis inio two smaller nuclei, releasing energy: gamma radiation and more neutrons. These neutrons can break up other uraniusn-235 atoms, releasing miore energy: nd. anore neutrons.. and soon. This is. called a chain reaction.When a nuclear borib defona ...
