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Nb   -   Niobium (41/92.9064)

Material List
(Na,Nb)O (1) AlNbO4 (6) Be12Nb (4) BeO,Be12Nb (3)
FeNb3Se10 (1) Li2Nb2O6 (4) Mo,Nb (4) Nb (38)
Nb,Mo (8) Nb,Mo,V,X (2) Nb,Mo,V,Zr,X (1) Nb,Mo,Zr (5)
Nb,Re (2) Nb,Ta (6) Nb,Ta,W,X (2) Nb,Ta,W,Zr,X (1)
Nb,Ta,X (2) Nb,Ti (1) Nb,Ti,Zr,X (1) Nb,U (4)
Nb,W (2) Nb,W,Mo,Zr,X (3) Nb,W,Zr,X (6) Nb,Zr (6)
Nb2O5 (4) Nb3(Al,Ge) (1) Nb3Al (1) Nb3Au (1)
Nb3Ga (1) Nb3Ge (1) Nb3Sn (3) NbB2 (4)
NbC (2) NbC,TiC (9) NbGe2 (1) NbO2 (2)
NbSe3 (1) Ni,Cr,Al,Mo,Nb,X (3) Ni,Cr,Mo,Nb,Fe,X (3) Ta,Nb (5)
Ta,Nb,V (1) Ta,Nb,V,X (2) TiC,Ni,NbC (2) U,Nb (7)
U,Nb,Zr (1) U,Zr,Nb,Sn,X (12) UO2,Nb2O5 (11) Zr,Nb (15)
48 material, 206 document(s) are retrieved.
  • Naturally occurring isotopes: 93
  • Density: 8.57 (293.15K) g/cm3
  • Melting point: 2468 ± 10 oC
  • Boiling point: 4742 oC
  • Latent heat of fusion: 288.4 J/g
  • Specific heat: 0.265 J/g/K (at room temp.)
  • Coefficient of lineal thermal expansion: 7.31E-06 cm/cm/K (at room temp.)
  • Thermal conductivity: 5.37E-01 W/cm/K (at room temp.)
  • Electrical resistivity: 1.46E-05 hm-cm (at room temp.)
  • lonization potential (1st): 6.88 eV
  • Electronic work function Φ: 4.3
  • Oxidation potentials: Nb → Nb3+ + 3e = 1.099 V
  • Chemical valence: 2 3 4 5
  • Electrochemical equivalents: 0.69327 g/amp-hr
  • lonic radius: 0.69 angstrom
  • Valence electron potential: 104 -eV
  • Principal quantum number: 5
  • Principal electron shells: K L M N O
  • Electronic configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d4 5s1
  • Valence electrons: 4d4 5s1
  • Crystal form: FCC
  • Half life:
  • Cross section σ: 1.15 ± 0.05 barns
  • Vapor pressure: 7.55E-02 Pa (at melting point)