Technical data for Silver

Overview
NameSilver
SymbolAg
Atomic Number47
Atomic Weight107.8682
Density10.49 g/cm3
Melting Point961.78 °C
Boiling Point2162 °C

Thermal properties
PhaseSolid
Melting Point961.78 °C
Boiling Point2162 °C
Absolute Melting Point1234.93 K
Absolute Boiling Point2435 K
Heat of Fusion11.3 kJ/mol
Heat of Vaporization255 kJ/mol
Heat of CombustionN/A
Specific Heat235 J/(kg K)[note]
Thermal Conductivity430 W/(m K)
Thermal Expansion0.0000189 K-1

Bulk physical properties
Density10.49 g/cm3
Density (Liquid)9.32 g/cm3
Molar Volume0.000010283
Brinell Hardness24.5 MPa
Mohs Hardness2.5 MPa
Vickers Hardness251 MPa
Bulk Modulus100 GPa
Shear Modulus30 GPa
Young Modulus83 GPa
Poisson Ratio0.37
Speed of Sound2.6×103 m/s
Thermal Conductivity430 W/(m K)
Thermal Expansion0.0000189 K-1

Reactivity
Valence2
Electronegativity1.93
ElectronAffinity125.6 kJ/mol
Ionization Energies
731, 2070, 3361 kJ/mol

Health and Safety
Autoignition PointN/A
FlashpointN/A

Classifications
Alternate NamesArgentum
Nams of AllotropesNone
Blockd
Group11
Period5
Electron Configuration[Kr]4d105s1
ColorSilver
Discovery
3000 BC
Gas phaseN/A
CAS NumberCAS7440-22-4

Electrical properties
Electrical TypeConductor
Electrical Conductivity6.2×107 S/m
Resistivity1.6×10-8 m Ω
Superconducting PointN/A

Magnetic properties
Magnetic TypeDiamagnetic
Curie PointN/A
Mass Magnetic Susceptibility-2.3×10-9
Molar Magnetic Susceptibility-2.48×10-10
Volume Magnetic Susceptibility-0.0000241

Abundances
% in Universe6×10-8%
% in Sun1×10-7%
% in Meteorites0.000014%
% in Earth's Crust7.9×10-6%
% in Oceans1×10-8%
% in HumansN/A

Atomic dimensions and structure
Atomic Radius165 pm
Covalent Radius153 pm
Van der Waals Radius172 pm
Crystal StructureFace Centered Cubic
Lattice Angles
π/2, π/2, π/2
Lattice Constants
408.53, 408.53, 408.53 pm
Space Group NameFm_ 3m
Space Group Number225

Nuclear Properties
Half-LifeStable
LifetimeStable
Stable Isotopes
107Ag, 109Ag
Isotopic Abundances
107Ag51.839%
109Ag48.161%

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