Indium

Post-transition metal

Symbol: In

Atomic Number: 49

Standard State: Solid

Atomic Mass: 114.818

Electron Configuration: [Kr]5s2 4d10 5p1

Electronegativity: 1.78

Atomic Radius: 193

Ionization Energy: 5.786

Melting Point: 429.75

Boiling Point: 2345

Density: 7.31

Year Discovered: 1863