Dysprosium
Dysprosium General
| Name:Dysprosium | Symbol:Dy |
| Type:Rare Earth, Lanthanides | Atomic weight:162.50 |
| Density @ 293 K:8.536 g/cm3 | Atomic volume:19.0 cm3/mol |
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Discovered:
1886 |
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Dysprosium States
| State (s, l, g):solid | |
| Melting point:1682 K (1409 °C) | Boiling point:2835 K (2562 °C) |
Dysprosium Energies
| Specific heat capacity:0.17 J/gK | Heat of atomization:291 kJ/mole atoms |
| Heat of fusion:11.060 kJ/mol | Heat of vaporization :230.0 kJ/mol |
| 1st ionization energy:571.9 kJ/mole | 2nd ionization energy:1126 kJ/mole |
| 3rd ionization energy:2200 kJ/mole | Electron affinity:50 kJ/mole |
Dysprosium Oxidation & Electrons
| Shells:2,8,18,28,8,2 | Electron configuration:[Xe] 4f10 6s2 |
| Minimum oxidation number:0 | Maximum oxidation number:3 |
| Min. common oxidation no.:0 | Max. common oxidation no.:3 |
| Electronegativity (Pauling Scale):1.2 | Polarizability volume:24.5 Å3 |
Dysprosium Appearance & Characteristics
| Structure:hcp: hexagonal close pkd | Color:silvery-white |
| Hardness: mohs | |
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Harmful effects:
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Characteristics:
neutron absorber Uses: alloys, CD disk |
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Dysprosium Reactions
| Reaction with air:vigorous, => Dy2O3 | Reaction with 6 M HCl:mild, => H2, DyCl3 |
| Reaction with 15 M HNO3:mild, => Dy(NO3)3 | Reaction with 6 M NaOH: |
Dysprosium Compounds
| Oxide(s):Dy2O3 | Chloride(s):DyCl2 DyCl3 |
| Hydride(s):DyH2 DyH3 |
Dysprosium Radius
| Atomic radius:178 pm | Ionic radius (1+ ion): pm |
| Ionic radius (2+ ion):121 pm | Ionic radius (3+ ion):105.2 pm |
| Ionic radius (2- ion): pm | Ionic radius (1- ion): pm |
Dysprosium Conductivity
| Thermal conductivity:10.7 J/m-sec-deg | Electrical conductivity:10 1/mohm-cm |
Dysprosium Abundance & Isotopes
| Abundance earth's crust:0.5 log | |
| Abundance solar system: -0.404 log | |
| Cost, pure:$540 per 100g | |
| Cost, bulk:$30 per 100g | |
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Source:
Monazite(phosphate),bastnaesite |
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Isotopes:
7 |
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Dysprosium Other
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Other:
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