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. Uranium-238 · Uranium-235 · Depleted uranium · Enriched uranium

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.

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

Atomic Weights and Isotopic Compositions for Uranium ; 92, U · 233, 233.039 6355(29) ; 234, 234.040 9523(19), 0.000 054(5), 238.028 91(3), g,m ; 235, 235.043 9301( ...

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.

The standard atomic weight of natural uranium is 238.02891(3). Isotopes of uranium (92U). Main isotopes ...