Krypton vs Tin

PropertyKr KryptonSn Tin
Atomic number3650
SymbolKrSn
NameKryptonTin
Categorynoble-gaspost-transition-metal
Standard Atomic Weight83.798 u118.71 u
Period45
Group1814
Blockpp
Phase at STPgassolid
Electron configuration[Ar]4s23d104p6[Kr]5s24d105p2
Oxidation states[0, 1, 2][-4, -3, -2, -1, 0, 1, 2, 3, 4]
Electronegativity (Pauling)31.96
Electron affinity-1 eV1.112 eV
Density3.733 kg/m³7287 kg/m³
Melting point-157.36 °C231.93 °C
Boiling point-153.42 °C2601.85 °C
Discovery year1898N/A