Krypton vs Indium

PropertyKr KryptonIn Indium
Atomic number3649
SymbolKrIn
NameKryptonIndium
Categorynoble-gaspost-transition-metal
Standard Atomic Weight83.798 u114.818 u
Period45
Group1813
Blockpp
Phase at STPgassolid
Electron configuration[Ar]4s23d104p6[Kr]5s24d105p1
Oxidation states[0, 1, 2][-5, -2, -1, 0, 1, 2, 3]
Electronegativity (Pauling)31.78
Electron affinity-1 eV0.3 eV
Density3.733 kg/m³7310 kg/m³
Melting point-157.36 °C156.6 °C
Boiling point-153.42 °C2071.85 °C
Discovery year18981863