SymbolAg
Latin nameArgentum
Atomic number47
Period5
Element categoryTransition elements
Relative atomic mass107.8682
GroupI.B
Electronegativity
1.9
Oxidation numbers
1, 2, 3
Electron configuration
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s1
Density [g/cm3]
10.49
State
Solid
Melting point [°C]
961.93
Boiling point [°C]
2212
Atomic radius [pm]
165
Covalent radius [pm]
153
Thermal conductivity [W m-1K-1]
429
Heat capacity [J K-1g-1]
0.232
Discovery
Antiquity
Hardness [Mohs scale]
2.7
Vickers hardness [MPa]
251
Brinell hardness [MPa]
24.5
Young's modulus [GPa]
83
Electrical conductivity [S m-1]
6.3 · 107
Electrical resistivity [10-6Ω.m]
0.0152
Shear modulus [GPa]
30
1.st ionization energy [eV]
7.5762
2.nd ionization energy [eV]
21.49
3.rd ionization energy [eV]
34.83
Stable isotopes
2
Unstable isotopes
25