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Technical data for Silver

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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
Critical PressureN/A
Critical TemperatureN/A
Heat of Fusion11.3 kJ/mol
Heat of Vaporization255 kJ/mol
Heat of CombustionN/A
Specific Heat235 J/(kg K)[note]
Adiabatic IndexN/A
Neel PointN/A
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
Refractive IndexN/A
Speed of Sound2.6×103 m/s
Thermal Conductivity430 W/(m K)
Thermal Expansion0.0000189 K-1

Reactivity
Valence1
Electronegativity1.93
ElectronAffinity125.6 kJ/mol
Ionization Energies
731, 2070, 3361 kJ/mol

Health and Safety
Autoignition PointN/A
FlashpointN/A
Heat of CombustionN/A
DOT Hazard ClassN/A
DOT NumbersN/A
EU NumberN/A
NFPA Fire Rating0
NFPA HazardsN/A
NFPA Health Rating1
NFPA Reactivity Rating0
RTECS NumberRTECSVW3500000
NFPA LabelNFPA Label

Classifications
Alternate NamesArgentum
Names of AllotropesNone
Blockd
Group11
Period5
Electron Configuration[Kr]4d105s1
ColorSilver
Discovery
3000 BC
Gas phaseN/A
CAS NumberCAS7440-22-4
CID NumberCID23954
Gmelin NumberN/A
NSC NumberN/A
RTECS NumberRTECSVW3500000

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-2.27×10-9
Molar Magnetic Susceptibility-2.45×10-10
Volume Magnetic Susceptibility-0.0000238

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
Decay ModeN/A
Quantum Numbers2S1/2
Neutron Cross Section63.6
Neutron Mass Absorption0.02
Known Isotopes
93Ag, 94Ag, 95Ag, 96Ag, 97Ag, 98Ag, 99Ag, 100Ag, 101Ag, 102Ag, 103Ag, 104Ag, 105Ag, 106Ag, 107Ag, 108Ag, 109Ag, 110Ag, 111Ag, 112Ag, 113Ag, 114Ag, 115Ag, 116Ag, 117Ag, 118Ag, 119Ag, 120Ag, 121Ag, 122Ag, 123Ag, 124Ag, 125Ag, 126Ag, 127Ag, 128Ag, 129Ag, 130Ag
Stable Isotopes
107Ag, 109Ag
Isotopic Abundances
107Ag51.839%
109Ag48.161%


Notes on the properties of Silver:

Specific Heat: Value given for solid phase.

Up to date, curated data provided by
Mathematica's ElementData function from Wolfram Research, Inc.

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