92 - Uranium actinide

Discovered by Martin Klaproth in 1841

  • Atomic Radius (Å)
  • Cividis
Uranium

Uranium is a chemical element with symbol U and atomic number 92. It is a silvery-white metal in the actinide series of the periodic table. A uranium atom has 92 protons and 92 electrons, of which 6 are valence electrons.

H He Li Be B C N O F Ne Na Mg Al Si P S Cl Ar K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe Cs Ba La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn Fr Ra Ac Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og
57-71 La-Lu Lanthanides
89-103 Ac-Lr Actinides
 Shell Electrons Orbitals
122 in 1s
282 in 2s + 6 in 2p
3182 in 3s + 6 in 3p + 10 in 3d
4322 in 4s + 6 in 4p + 10 in 4d + 14 in 4f
5212 in 5s + 6 in 5p + 10 in 5d + 3 in 5f
692 in 6s + 6 in 6p + 1 in 6d
722 in 7s
UraniumUElectron 1Electron 2Electron 1Electron 2Electron 3Electron 4Electron 5Electron 6Electron 7Electron 8Electron 1Electron 2Electron 3Electron 4Electron 5Electron 6Electron 7Electron 8Electron 9Electron 10Electron 11Electron 12Electron 13Electron 14Electron 15Electron 16Electron 17Electron 18Electron 1Electron 2Electron 3Electron 4Electron 5Electron 6Electron 7Electron 8Electron 9Electron 10Electron 11Electron 12Electron 13Electron 14Electron 15Electron 16Electron 17Electron 18Electron 19Electron 20Electron 21Electron 22Electron 23Electron 24Electron 25Electron 26Electron 27Electron 28Electron 29Electron 30Electron 31Electron 32Electron 1Electron 2Electron 3Electron 4Electron 5Electron 6Electron 7Electron 8Electron 9Electron 10Electron 11Electron 12Electron 13Electron 14Electron 15Electron 16Electron 17Electron 18Electron 19Electron 20Electron 21Electron 1Electron 2Electron 3Electron 4Electron 5Electron 6Electron 7Electron 8Electron 9Electron 1Electron 2
238  u Atomic Mass
4.4k  K Boiling Point
6 Group
6 Common Oxidation States
1.96  Å Covalent Radius
19.1  g/cm³ Density
50.9  kJ/mol Electron Affinity
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 7s2 5f3 6d1 Electron Configuration
[Rn] 5f3 6d1 7s2 Electron Configuration (semantic)
1.38 Electronegativity
92 Electrons
6.19  eV First Ionization Energy
3, 4, 5, 6 ICSD Oxidation States
597.6, 1420  kJ/mol Ionization Energies
1.41k  K Melting Point
45 Mendeleev Number
27.7  J/(mol·K) Molar Heat
7 Number of Shells
146 Neutrons
92 Atomic Number
15 Number of Isotopes
3, 4, 5, 6 Oxidation States
7 Period
Solid Phase
92 Protons
2, 8, 18, 32, 21, 9, 2 Electron Shell Occupations