Periodic Table of the Elements
Chemical & Physical Properties of Dysprosium
Dysprosium
| Latin name | Dysprosium |
| English name | Dysprosium |
| chemical symbol | Dy |
| atomic number | 66 |
| relative atomic mass | 162,5 |
| period | 6 |
| group | III.B |
| classification | lanthanides |
| discovery year | 1886 |
| discoverer | L. Boisbaudran |
| melting point [°C] | 1412 |
| boiling point [°C] | 2567 |
| density [g cm-3] | 8,536 |
| density at melting point [g cm-3] | 8,37 |
| electronegativity [Pauling] | 1,22 |
| oxidation states | II, III |
| electron configuration | [Xe]4f10 6s2 |
| atomic radius [pm] | 228 |
| specific heat [J g-1K-1] | 0,17 |
| heat of fusion [kJ mol-1] | 11,06 |
| thermal conductivity [W m-1 K-1] | 11 |
| el. conductivity [S m-1] | 1,1.106 |
| 1. ionizing potential [eV] | 5,9389 |
| 2. ionizing potential [eV] | 11,67 |
| 3. ionizing potential [eV] | 22,802 |
| Vickers hardness [MPa] | 540 |
| Brinell hardness [MPa] | 500 |
| shear modulus [GPa] | 25 |
| Young's modulus [GPa] | 61 |
| Curie point [K] | 87 |
| state at normal conditions | solid |
Resources
- Magnetic Monopoles Detected In A Real Magnet For The First Time. In: ScienceDaily [online]. 2009-09-04 [cit. 2012-07-20]. Available from: http://www.sciencedaily.com/.../090903163725.htm
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