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Th   -   Thorium (90/232.038)

Material List
(Pu,Th)O2 (2) (Th,Ca)O2 (5) (Th,Dy)O2 (3) (Th,Eu)O2 (6)
(Th,Gd)O2 (5) (Th,La)O2 (8) (Th,Pu)O2 (7) (Th,U)O2 (39)
(Th,U)S (3) (U,Th)O2 (33) (U,Th)S (2) (U,Th)Se (1)
CaTh(PO4)2 (1) Cs,Th,MoO4 (2) LiF,ThF4 (2) Mg,Th,Zn,X (2)
Mg,Th,Zn,Zr (2) Mg,Th,Zr (1) Mg,Th,Zr,Zn (2) Mg,Zn,Th,X (2)
Th (16) Th,Au (6) Th,U (1) Th3N4 (1)
ThC (11) ThC2 (6) ThN (3) ThO2 (41)
ThS (2)
29 material, 215 document(s) are retrieved.
  • Naturally occurring isotopes: 232
  • Density: 11.724 (298.15K) g/cm3
  • Melting point: 1750 oC
  • Boiling point: 4787 oC
  • Latent heat of fusion: 82.93 J/g
  • Specific heat: 0.118 J/g/K (at room temp.)
  • Coefficient of lineal thermal expansion: 1.25E-05 cm/cm/K (at room temp.)
  • Thermal conductivity: 5.40E-01 W/cm/K (at room temp.)
  • Electrical resistivity: 1.31E-05 hm-cm (at room temp.)
  • lonization potential (1st): 6.08 eV
  • Electronic work function Φ: 3.41
  • Oxidation potentials: Th → Th4+ + 4e = 1.899 V
  • Chemical valence: 3 4
  • Electrochemical equivalents: 2.1643 g/amp-hr
  • lonic radius: 0.972 (Th4+) angstrom
  • Valence electron potential: 59.3 -eV
  • Principal quantum number: 7
  • Principal electron shells: K L M N O P Q
  • Electronic configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 6s2 6p6 6d2 7s2
  • Valence electrons: 6d2 7s2
  • Crystal form: FCC
  • Half life: 1.4E10 years
  • Cross section σ: 74 ± 0.1 barns
  • Vapor pressure: Pa (at melting point)