FactsName and Symbol: Uranium, U
Atomic Symbol: 92 Average Atomic Mass: 238 Number of... Electrons: 92 Protons: 92 Neutrons: 146 Location on PT: period 7, actinides Chemical family: none, part of the actinide series Electron configuration: [Rn] 5f^3 6d^1 7s^2 Atomic Radius: 175 pm Ionization Energy: 597.6 kJ·mol−1 Electronegativity: 1.38 Physical properties at room temperature: Solid, silvery metal Melting and Boiling point: 1132.2 °C, 4131 °C Valence electrons: 2 Ions formed: +2 |