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Indium (₄₉In^114.818)
[7440-74-6]

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Elemental Form


Indium is a ductile, malleable, silvery-white metal; softer than lead. Pure indium emits a high pitched "cry when bent. It is unaffected by water and very stable in air. Most often associated with zinc, indium is also found in iron, lead, and copper ores and is about as abundant as silver.
Melting Point	156.6°C	Boiling Point	2072°C
Density	7.31g/cm³	Themal Conductivity	0.204cal/cm²/cm/s/°C
Specific Heat @ 20°C	0.057cal/g°C	Heat of Fusion	6.8k-cal/g-atom
Heat of Vaporization	483cal/g	Atomic Volume	15.7W/D
First Ionization Energy	133K-cal/g-mole	Electronegativity	1.7Pauling's
Covalent Radius	1.44Angstroms	Brinell Hardness	0.9
Linear Coefficient of Thermal Expansion	33x10^-6K^-1	Electrical Resistivity @ 20°C	8.37µΩ-cm
Crystal Structure	Tetragonal	Modulus of Elasticity	1.57x10⁶psi
Tensile Strength	380psi