Indium vs Tin

Side-by-side comparison of Indium (In, element 49) and Tin (Sn, element 50) by atomic structure and physical properties.

PropertyIn Indium Sn Tin
Atomic number4950
SymbolInSn
NameIndiumTin
Categorypost-transition-metalpost-transition-metal
Standard Atomic Weight114.818 u118.71 u
Period55
Group1314
Blockpp
Phase at STPSolidSolid
Electron configuration[Kr]4d105s25p1[Kr]4d105s25p2
Oxidation states[-5, -2, -1, 0, 1, 2, 3][-4, -3, -2, -1, 0, 1, 2, 3, 4]
Electronegativity (Pauling)1.781.96
Electron affinity0.38392 eV1.112 eV
Density7310 kg/m³7287 kg/m³
Melting point156.6 °C231.93 °C
Boiling point2071.85 °C2601.85 °C
Discovery year1863N/A

Key Differences

PropertyIn IndiumSn Tin
Standard Atomic Weight114.818 u ↓ lower118.71 u ↑ higher
Density7310 kg/m³ ↑ higher7287 kg/m³ ↓ lower
Melting point156.6 °C ↓ lower231.93 °C ↑ higher
Boiling point2071.85 °C ↓ lower2601.85 °C ↑ higher
Electronegativity (Pauling)1.78 ↓ lower1.96 ↑ higher
Electron affinity0.38392 eV ↓ lower1.112 eV ↑ higher
Group13 14
Electron configuration[Kr]4d105s25p1 [Kr]4d105s25p2