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. That ...

Uranium is a chemical element with the symbol U and atomic number 92. It is a silvery-grey metal in the actinide series of the periodic table.

Symbol, U ; Atomic Number, 92 ; Atomic Mass, 238.029 atomic mass units ; Number of Protons, 92 ; Number of Neutrons, 146.

Element Uranium (U), Group 20, Atomic Number 92, f-block, Mass 238.029 ... Depleted uranium is uranium that has much less uranium-235 than natural uranium.

9 янв. 2020 г. · The atomic mass is 238.02891 g/mol. This is not to be confused with the mass number of 238 for the uranium-238 isotope.

Uranium has an atomic number of 92 which means there are 92 protons and 92 ... Because uranium is radioactive, it is constantly emitting particles and changing ...