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2013-11-24 18:46:37
2013-11-24 18:46:37

Uranium-235 has 143 neutrons and uranium-238 has 146 neutrons.

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Uranium 235 has 143 neutrons and uranium 238 has 146 neutrons.



Uranium-235 and uranium-238 has 92 protons and 92 electrons; but uranium-235 has 143 neutrons and uranium-238 has 146 neutrons.


An isotope means an atom with the same amount of electrons and protons, but with different amount of neutrons.Relative weight of a neutron is 1, a proton is 1, and an electron is very small. So weight of an atom is approx. mneutrons + m protons.So, an uranium-235, as U is the 92th atom in periodic table, contains 92 protons, 92 electrons to be chargeless, and 143 (=235-92) neutrons.An uranium-238, from the definition of isotope, contains 92 protons, 92 electrons, and 146 (=238-92) neutrons.The difference is the 3 neutrons.




The atomic number of uranium is 92, which means that all uranium atoms have 92 protons in their nuclei. They differ in the number of neutrons. Atoms of U-235 have 92 protons and 143 neutrons in their nuclei. Atoms of U-238 have 92 protons and 146 neutrons in their nuclei.


The neutral atom of uranium (any isotope) has 92 electrons.



Uranium 235 has 92 neutrons and uranium 238 has 95 neutrons.


For an atom of uranium-235: 202,5 MeV.


The atomic mass of uranium 235 is 235,043 929 918 ± 0,000 001 957.



During fission of uranium-235 with thermal neutrons the atom is splitted and many fission products are obtained.


when a neutron bombarded with 235 Uranium atom the atom become unstable which allow it to split and create two small atom and release more neutrons which can continue the reaction.


Uranium 235 has several isotopes but, 235 would contain 235 electrons in one atom.


Enrichment of uranium in the isotope uranium 235 is made by gaseous diffusion or by centrifugation.


Uranium-235 is an isotope of uranium making up about 0.72% of natural uranium.


Uranium has 92 protons, and an uncharged atom will have 92 electrons. The number of neutrons is 235-92 = 143 neutrons.


Uranium is a chemical element. Uranium has three natural isotopes (234, 235, 238) and 26 artificial isotopes.



When it becomes uranium-235. Uranium-235 is always unstable.


The fissile isotope uranium 235 is "burned" in the nuclear reactors to obtain electrical/thermal energy. The atom is destroyed by nuclear fission.


Uranium 234, 235 an 238 are all natural isotopes of uranium.Uranium 235- neutrons: 143- atomic mass: 235,043 929 918 ± 0,000 001 957- half life: 7,038.108 years- concentration in natural uranium: 0,7204 %- 235U is a fissile isotope



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