The fissionSee 'nuclear fission'. of a nucleusPositively charged nucleus of an atom. Its diameter amounts ... basically requires the supply of a minimum energyAbility to do work or diffuse heat. The unit of energy is th.... If a neutronUncharged elementary particle with a mass of 1.67492716 ·10... is attached to a nucleusPositively charged nucleus of an atom. Its diameter amounts ... an energyAbility to do work or diffuse heat. The unit of energy is th... is released consisting of the kinetic energyAbility to do work or diffuse heat. The unit of energy is th... of the neutronUncharged elementary particle with a mass of 1.67492716 ·10... and the binding energyThe energy required to separate particles which are bound by... of this neutronUncharged elementary particle with a mass of 1.67492716 ·10... to the nucleusPositively charged nucleus of an atom. Its diameter amounts .... If this energyAbility to do work or diffuse heat. The unit of energy is th... is greater than the excitation energyAbility to do work or diffuse heat. The unit of energy is th... for a fissionSee 'nuclear fission'. of this nucleusPositively charged nucleus of an atom. Its diameter amounts ..., the nucleusPositively charged nucleus of an atom. Its diameter amounts ... may fissionSee 'nuclear fission'.. For U-235 the excitation energyAbility to do work or diffuse heat. The unit of energy is th... for fissionSee 'nuclear fission'. amounts to 5.7 MeVMegaelectron volt, 1,000,000 eV., the binding energyThe energy required to separate particles which are bound by... of the attached neutronUncharged elementary particle with a mass of 1.67492716 ·10... is 6.5 MeVMegaelectron volt, 1,000,000 eV., so that even neutrons with very low kinetic energies (e.g. thermal neutrons with a kinetic energyAbility to do work or diffuse heat. The unit of energy is th... of only 0.025 eVSymbol for electron volt.) may trigger the fissionSee 'nuclear fission'.. The ratios of excitation energyAbility to do work or diffuse heat. The unit of energy is th... and binding energyThe energy required to separate particles which are bound by... are similar for the nuclei of U-233, Pu-239 and Pu-241. For U-238 and Th-232, on the other hand, the excitation energyAbility to do work or diffuse heat. The unit of energy is th... required for fissionSee 'nuclear fission'. is 6.5 MeVMegaelectron volt, 1,000,000 eV. and thus much higher than the binding energyThe energy required to separate particles which are bound by... of the attached neutronUncharged elementary particle with a mass of 1.67492716 ·10... of 4.8 MeVMegaelectron volt, 1,000,000 eV., so that fissionSee 'nuclear fission'. of the nucleusPositively charged nucleus of an atom. Its diameter amounts ... is possible only if the neutronUncharged elementary particle with a mass of 1.67492716 ·10... has a kinetic energyAbility to do work or diffuse heat. The unit of energy is th... of at least 1.7 MeVMegaelectron volt, 1,000,000 eV.. Spontaneous fissionSee 'nuclear fission'. is also possible in the case of some very heavy nuclei.
| NucleusPositively charged nucleus of an atom. Its diameter amounts ... of an atomSmallest particle of an element which cannot be chemically d... | Excitation energyAbility to do work or diffuse heat. The unit of energy is th... for fissionSee 'nuclear fission'. MeVMegaelectron volt, 1,000,000 eV. | Binding energyThe energy required to separate particles which are bound by... of the last neutronUncharged elementary particle with a mass of 1.67492716 ·10... MeVMegaelectron volt, 1,000,000 eV. |
|
Th-232 |
6.5 |
4.8 |
|
U-233 |
6.2 |
6.8 |
|
U-235 |
5.7 |
6.5 |
|
U-238 |
6.5 |
4.8 |
|
Pu-239 |
5.8 |
6.5 |
|
Pu-240 |
6.2 |
5.2 |
|
Pu-241 |
5.6 |
6.3 |
Excitation energyAbility to do work or diffuse heat. The unit of energy is th... for fissionSee 'nuclear fission'.