Technical data for Silver

Overview Name Silver Symbol Ag Atomic Number 47 Atomic Weight 107.8682 Density 10.49 g/cc Melting Point 961.78°C Boiling Point 2162.°C Thermal properties Phase Solid Melting Point 961.78°C Boiling Point 2162.°C Absolute Melting Point 1234.93K Absolute Boiling Point 2435.K Critical Pressure N/A Critical Temperature N/A Heat of Fusion 11.3KJ/mol Heat of Vaporization 255.KJ/mol Heat of Combustion N/A Specific Heat 235.J/(Kg K)[note] Adiabatic Index N/A Neel Point N/A Thermal Conductivity 430.W/(m K) Thermal Expansion 0.0000189K-1 Bulk physical properties Density 10.49 g/cc Density (Liquid) 9.32 g/cc Molar Volume 0.000010283 Brinell Hardness 24.5MPa Mohs Hardness 2.5MPa Vickers Hardness 251.MPa Bulk Modulus 100.GPa Shear Modulus 30.GPa Young Modulus 83.GPa Poisson Ratio 0.37 Refractive Index N/A Speed of Sound 2.6×103m/s Thermal Conductivity 430.W/(m K) Thermal Expansion 0.0000189K-1 Reactivity Valence 2 Electronegativity 1.93 ElectronAffinity 125.6KJ/mol Ionization Energies 731., 2070., 3361. KJ/mol Health and Safety Autoignition Point N/A Flashpoint N/A Heat of Combustion N/A DOT Hazard Class N/A DOT Numbers N/A EU Number EU231-131-3 NFPA Fire Rating 0 NFPA Hazards N/A NFPA Health Rating 1 NFPA Reactivity Rating 0 RTECS Classes Tumorigen RTECS Number RTECSVW3500000 NFPA Label

Classifications Alternate Names Argentum Names of Allotropes None Block d Group 11 Period 5 Electron Configuration [Kr]4d105s1 Color Silver Discovery 3000BC Gas phase N/A CAS Number CAS7440-22-4 CID Number CID104755 Gmelin Number Gmelin1253 NSC Number N/A RTECS Number RTECSVW3500000 Electrical properties Electrical Type Conductor Electrical Conductivity 6.2×107S/m Resistivity 1.6×10-8m Ω Superconducting Point N/A Magnetic properties Magnetic Type Diamagnetic Curie Point N/A Mass Magnetic Susceptibility -2.3×10-9 Molar Magnetic Susceptibility -2.48×10-10 Volume Magnetic Susceptibility -0.0000241 Abundances % in Universe 6.×10-8% % in Sun 1.×10-7% % in Meteorites 0.000014% % in Earth's Crust 7.9×10-6% % in Oceans 1.×10-8% % in Humans N/A Atomic dimensions and structure Atomic Radius 165.pm Covalent Radius 153.pm Van der Waals Radius 172.pm Crystal Structure Face Centered Cubic Lattice Angles π/2, π/2, π/2 Lattice Constants 408.53, 408.53, 408.53 pm Space Group Name Fm_ 3m Space Group Number 225 Nuclear Properties Half-Life Stable Lifetime Stable Decay Mode N/A Quantum Numbers 2S1/2 Neutron Cross Section 63.6 Neutron Mass Absorption 0.02 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 107Ag 51.839% 109Ag 48.161%