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PERIODIC TABLE
Erbium
Atomic No. 68
Er
Erbium
About Erbium
Erbium is a lanthanide with atomic number 68 whose compounds predominantly contain erbium in the +3 oxidation state. Erbium doped glass fibers amplify optical signals in telecommunications systems. Erbium is also used in laser materials, while erbium oxide adds a pink color to selected glasses.
Properties
- Atomic Number
- 68
- Atomic Symbol
- Er
- Atomic Mass
- 167.259
- CAS No.
- 7440-52-0
- Density
- 9.066 g/cm³
- Series
- lanthanoid
- Melting Point
- 1,497°C
- Boiling Point
- 2,868°C
- Thermal Conductivity
- 0.15 W/cm °C
- Heat of Fusion
- 19.9 kJ/mol
- Heat of Vaporization
- 285 kJ/mol
- Electronegativity
- 1.24 pauling
- Crystal Structure
- Hexagonal
- Electrical Conductivity
- 1.2×106 S/m
Erbium Products
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