The region of greatest binding energy per nucleon is shown by the tan band. Nuclei to the right of 208Pb are unstable. 12C Не Ne 72 “Ge 107 35 Cl Ag 9 208 Pb 22°Ra 98. Mo 1271 8 23 Na 159 Tb 197 Au 62. Ni 238 56 Fe \19F 14N 11B Li Be 2 Figure 43.5 Binding energy per nucleon versus mass number for a number of nuclides that lie along the line of stability in Figure 43.4. Some representative nuclides appear as black dots with labels. 120 140 160 180 200 220 240 20 40 60 80 100 Mass number A Binding energy per nucleon (MeV)
Nuclear Fission
Nuclear fission is a type of nuclear reaction in which heavier nuclei split into lighter nuclei by releasing a large quantity of energy. The elements like uranium-235 and plutonium-239 isotope undergo nuclear fission releasing energy. When nuclei undergo fission, some quantity of mass is lost. The lost mass is converted to nuclear energy. Nuclear fission reaction is used in nuclear power plants and atomic bombs. In nuclear power plants, nuclear reactors are used to generate electricity.
Endothermic Nuclear Reaction
A nuclear reaction can be described as a process where two atoms, or two nuclei or nucleus and subatomic particles such as a proton, neutron interact together, and a large amount of energy is produced and new elements are also produced.
Using the graph given, estimate how much energy is released when a nucleus of mass number 200 fissions into two nuclei each of mass number 100.
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