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 ...

It is a silvery-grey metal in the actinide series of the periodic table. A uranium atom has 92 protons and 92 electrons, of which 6 are valence electrons.

Atomic Weights and Isotopic Compositions for Uranium ; 92, U · 235, 235.043 9301(19) ...

Atomic number, 92, Relative atomic mass, 238.029. State at 20°C, Solid, Key isotopes, 234U, 235U, 238U. Electron configuration, [Rn] 5f36d17s2, CAS number, 7440 ...

Atomic Mass, 238.029 atomic mass units ; Number of Protons, 92 ; Number of Neutrons, 146 ; Number of Electrons, 92 ; Melting Point, 1132.0° C.

Atomic Weights and Isotopic Compositions for Uranium ; 92, U · 221, 221.026 28(11#).