Indium

Atomic Number: 49

Name: Indium

Atomic symbol: In

Atomic Weight: 114.82

Electron affinity: -30 kJ/mol

Electron configuration: 1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p⁶4d¹⁰5s²5p¹

Ionization energies: 558 kJ/mol; 1,821 kJ/mol; 2,704 kJ/mol; 5,200 kJ/mol

Pauling electronegativity: 1.7

Melting Point: 157^oC

Boiling Point: 2080^oC

Density: 7.30 g/cm³

Standard potential (volts), M⁺ + e^- ---> M: -0.34

Covalent radius: 1.50 angstroms

Ionic radius: 0.81 angstroms (+3)

Common oxidation states in compounds: +1, +3