49
In
114.82
Indium
Element 49 · 114.82 u · p-block
post transition
A soft, silvery metal that makes a 'crying' sound when bent. Essential for touchscreen displays (as indium tin oxide).
Phase (STP)
Solid
Melting Point
156.6 °C
Boiling Point
2072 °C
Density
7.31 g/cm³
Electronegativity
1.78
Atomic Radius
155 pm
Ionization Energy
558 kJ/mol
Electron Affinity
39 kJ/mol
Discovered
1863 · Ferdinand Reich
Electron Configuration
[Kr] 4d10 5s2 5p1
Electron Orbitals
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