Erbium (thing)

Erbium
Symbol: Er
Atomic Number: 68
Atomic Weight: 167.26
Boiling Point: 3140 K
Melting Point: 1802 K
Density at 300K: 9.07 g/cm³
Covalent radius: 1.57
Atomic radius: 2.45
Atomic volume: 18.4 cm³/mol
First ionization potental: 6.101 V
Specific heat capacity: 0.168 Jg^-1K^-1
Thermal conductivity: 14.3 Wm^-1K^-1
Electrical conductivity: 1.2*10⁶Ω^-1m^-1
Heat of fusion: 17.15 kJ/mol
Heat of vaporization: 292.88 kJ/mol
Electronegativity: 1.24 (Pauling's)

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