« back
IndiumIn Electron 1 Electron 2 Electron 1 Electron 2 Electron 3 Electron 4 Electron 5 Electron 6 Electron 7 Electron 8 Electron 1 Electron 2 Electron 3 Electron 4 Electron 5 Electron 6 Electron 7 Electron 8 Electron 9 Electron 10 Electron 11 Electron 12 Electron 13 Electron 14 Electron 15 Electron 16 Electron 17 Electron 18 Electron 1 Electron 2 Electron 3 Electron 4 Electron 5 Electron 6 Electron 7 Electron 8 Electron 9 Electron 10 Electron 11 Electron 12 Electron 13 Electron 14 Electron 15 Electron 16 Electron 17 Electron 18 Electron 1 Electron 2 Electron 3

Indium is a chemical element with symbol In and atomic number 49. It is a post-transition metallic element that is rare in Earth's crust. The metal is very soft, malleable and easily fusible, with a melting point higher than sodium, but lower than lithium or tin.

49 Atomic Number
114.82 Atomic Mass (u)
429.91 Melting Point (K)
2345 Boiling Point (K)
7.31 Density (solid: g/cm³, gas: g/liter)
2 Atomic Radius (Å)
1.42 Covalent Radius (Å)
1.78 Electronegativity
5.79 First Ionization Energy (eV)
37.04 Electron Affinity
5 Number of Shells
3 Electron Valency
2, 8, 18, 18, 3 Electron Shell Occupations
0.23 Specific Heat (J/g)