Technical data for Bismuth

Overview
NameBismuth
SymbolBi
Atomic Number83
Atomic Weight208.98038
Density9.78 g/cm3
Melting Point271.3 °C
Boiling Point1564 °C

Thermal properties
PhaseSolid
Melting Point271.3 °C
Boiling Point1564 °C
Absolute Melting Point544.4 K
Absolute Boiling Point1837 K
Heat of Fusion10.9 kJ/mol
Heat of Vaporization160 kJ/mol
Heat of CombustionN/A
Specific Heat122 J/(kg K)[note]
Thermal Conductivity8 W/(m K)
Thermal Expansion0.0000134 K-1

Bulk physical properties
Density9.78 g/cm3
Density (Liquid)10.05 g/cm3
Molar Volume0.000021368
Brinell Hardness94.2 MPa
Mohs Hardness2.25 MPa
Bulk Modulus31 GPa
Shear Modulus12 GPa
Young Modulus32 GPa
Poisson Ratio0.33
Speed of Sound1790 m/s
Thermal Conductivity8 W/(m K)
Thermal Expansion0.0000134 K-1

Reactivity
Valence5
Electronegativity2.02
ElectronAffinity91.2 kJ/mol
Ionization Energies
703, 1610, 2466, 4370, 5.4×103, 8520 kJ/mol

Health and Safety
Autoignition PointN/A
FlashpointN/A

Classifications
Alternate NamesNone
Nams of AllotropesNone
Blockp
Group15
Period6
Electron Configuration[Xe]4f145d106s26p3
ColorGray
Discovery
1400
Gas phaseN/A
CAS NumberCAS7440-69-9

Electrical properties
Electrical TypeConductor
Electrical Conductivity7.7×105 S/m
Resistivity1.3×10-6 m Ω
Superconducting PointN/A

Magnetic properties
Magnetic TypeDiamagnetic
Curie PointN/A
Mass Magnetic Susceptibility-1.7×10-8
Molar Magnetic Susceptibility-3.6×10-9
Volume Magnetic Susceptibility-0.00017

Abundances
% in Universe7×10-8%
% in Sun1×10-6%
% in Meteorites6.9×10-6%
% in Earth's Crust2.5×10-6%
% in Oceans2×10-9%
% in HumansN/A

Atomic dimensions and structure
Atomic Radius143 pm
Covalent Radius146 pm
Van der Waals RadiusN/A
Crystal StructureBase Centered Monoclinic
Lattice Angles
π/2, 1.925622, π/2
Lattice Constants
667.4, 611.7, 330.4 pm
Space Group NameC12/m1
Space Group Number12

Nuclear Properties
Half-Life1.9×1019 y
Lifetime2.76×1019 y
Isotopic Abundances
209Bi100%

Notes on the properties of Bismuth:
Specific Heat: Value given for solid phase.