Hydrogen vs Silver

PropertyH HydrogenAg Silver
Atomic number147
SymbolHAg
NameHydrogenSilver
Categorynonmetaltransition-metal
Standard Atomic Weight1.007975 u107.8682 u
Period15
Group111
Blockss
Phase at STPgassolid
Electron configuration1s1[Kr]5s14d10
Oxidation states[-1, 1][-2, -1, 0, 1, 2, 3]
Electronegativity (Pauling)2.21.93
Electron affinity0.75419 eV1.302 eV
Density0.08988 kg/m³1.050100e+4 kg/m³
Melting point-259.34 °C961.78 °C
Boiling point-252.87 °C2161.85 °C
Discovery year1766N/A