Symbol In Atomic radius: pm 163 Fusion: kJ/Mole 3.28
Name Indium Ionic radius: pm (+3)80 Boiling point: C 2072
Atomic number 49 Electron affinity 0.30 Melting point: C 157
Atomic weight 114.8 1st  ion potential 5.79 Specific Heat Cap: J/(g K) 0.23
Classification Other metal Natural form Solid Thermal Cond: W/(cm K) 0.82
Configuration [Kr]4d105s2p1 Crystal structure Tetra Electrical Cond 0.116
Oxidation states 3 Density 7.31 Abundance: mg/kg-crust 0.25
Electronegativity 1.78 Vaporization: kJ/Mole 226.4    
Indium was discovered in 1863 by Theodor Richter and Ferdinand Reich. Uses - transistors, photocells, coating of some bearings, solders