The atomic weight and uncertainty of uranium were changed to 238.028 91(3) in 1999 on the basis of new calibrated mass-spectrometric measurements.

25 мар. 2016 г. · For 235U metal, Z , the atomic number = 92 . The mass number is 235 . Explanation: Z , the atomic number, is simply the number of protons, ...

Uranium-235 | U | CID 61784 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, ...

Atomic Weights and Isotopic Compositions for Uranium. Isotope · Relative ... 235, 235.043 9301(19), 0.007 204(6). 236, 236.045 5682(19). 238, 238.050 7884(20) ...

A radioactive element with the atomic number 92 and, as found in natural ores, an atomic weight of approximately 238.

The main use of uranium in the civilian sector is to fuel nuclear power plants. One kilogram of uranium-235 can theoretically produce about 20 terajoules of ...

92-uranium-235 · Atomic Mass: 235.0439231 +- 0.0000021 amu · Excess Mass: 40914.062 +- 1.970 keV · Binding Energy: 1783870.285 +- 1.996 keV · Beta Decay Energy: B- ...

A gram of 235U contains 2.56 × 1021 atoms, and with same number fission reactions, 84.1 billion Joules energy is released. This is equivalent to the energy ...

6 мар. 2009 г. · Uranium is a chemical element that has the symbol U and atomic number 92. ... Uranium, isotope of mass 235. Showing 1 to 2 of 2 entries.