HOLMIUM
HOLMIUM (67) (Solid) 166(1,200 years)B-
Atomic radius:2.47Deg. A (Quantum mech. value for a free atom)
Atomic volume:18.7 cm(3)/mol at 300Deg. Kelvin
Atomic weight:164.9304 (Based on Carbon 12)
Boiling point:2968Deg. Kelvin
Covalent radius:1.58Deg. A
Crystal structure:Hexagonal
Density:8.8 g/cm(3) at 300Deg. Kelvin
Electrical conductivity:.0124 10(x6) Ohm(x.1) cm(x.1) at 293Deg. Kelvin
Electron configuration:1s(2)2s(2)p(6)3s(2)p(6)3d(10)4s(2)p(6)4d(10)5s(2)p(6)
4f(11)6s(2)
Electronegativity:1.23 (Pauling's)
First ionization potential:6.018 V
Heat of fusion:12.2 kJ/mol at melting point
Heat of vaporization:241 kJ/mol at boiling point
Melting point:1743DEg. Kelvin
Oxidation states:3 basic
Specific heat capacity:.16 Jg(x.1) K(x.1) at 300Deg. Kelvin
Thermal conductivity:8.162 W cm(x.1) K(x.1) at 300Deg. Kelvin
Description:A metallic element of the rare-earth group that occurs with yttrium
and forms highly magnetic compounds.
Atomic radius:2.47Deg. A (Quantum mech. value for a free atom)
Atomic volume:18.7 cm(3)/mol at 300Deg. Kelvin
Atomic weight:164.9304 (Based on Carbon 12)
Boiling point:2968Deg. Kelvin
Covalent radius:1.58Deg. A
Crystal structure:Hexagonal
Density:8.8 g/cm(3) at 300Deg. Kelvin
Electrical conductivity:.0124 10(x6) Ohm(x.1) cm(x.1) at 293Deg. Kelvin
Electron configuration:1s(2)2s(2)p(6)3s(2)p(6)3d(10)4s(2)p(6)4d(10)5s(2)p(6)
4f(11)6s(2)
Electronegativity:1.23 (Pauling's)
First ionization potential:6.018 V
Heat of fusion:12.2 kJ/mol at melting point
Heat of vaporization:241 kJ/mol at boiling point
Melting point:1743DEg. Kelvin
Oxidation states:3 basic
Specific heat capacity:.16 Jg(x.1) K(x.1) at 300Deg. Kelvin
Thermal conductivity:8.162 W cm(x.1) K(x.1) at 300Deg. Kelvin
Description:A metallic element of the rare-earth group that occurs with yttrium
and forms highly magnetic compounds.
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