Element: Uranium (U)

Element (Atom) NameUranium
SymbolU
Physical state at room temperatureSolid
Element ClassificationMetal
Group NameActinide
Period Number (Periodic table) 7
Group number (Periodic table)None
Atomic number92
Atomic weight238.02891 (Ref: Jlab-ele092, ciaaw-uranium, Nist-92)
238 (Ref: Lanl-92)
Atomic Radius240 pm (Van der Waals) (Ref: Lanl-92)
Density18.95 g/cm3 (Ref: Jlab-ele092)
Melting point1135°C (Ref: Jlab-ele092)
1133 °C  (Ref: Lanl-92)
Boiling point4131°C (Ref: Jlab-ele092, Lanl-92)
Electron shell configuration1s2 
2s2 2p6 
3s2 3p6 3d10 
4s2 4p6 4d10 4f14 
5s2 5p6 5d10 5f3
6s2 6p6 6d1
7s2
Oxidation States+6, +5, +4, +3 (Ref: Jlab-ele092)
6, 5, 4, 3, 2, 1 (Ref: Lanl-92)
Ionization Energy6.194 eV (Ref: Jlab-ele092)
6.19405 eV (Ref: Nist-92)
Number of Stable Isotopes0
InChIInChI=1S/U (Ref: Pubchem-92)
InChI KeyJFALSRSLKYAFGM-UHFFFAOYSA-N (Ref: Pubchem-92)
RemarksRadioactive

REFERENCES

  • Jlab-ele092: https://education.jlab.org/itselemental/ele092.html
  • Lanl-92: https://periodic.lanl.gov/92.shtml
  • ciaaw-uranium: https://www.ciaaw.org/uranium.htm
  • Nist-92: https://physics.nist.gov/cgi-bin/Elements/elInfo.pl?element=92
  • Pubchem-92: https://pubchem.ncbi.nlm.nih.gov/element/92
  • science.co.il: https://www.science.co.il/elements/

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