Atomic Properties
- Atomic Number
- 66
- Atomic Mass
- 162.5000 u
- Electron Configuration
- [Xe] 4f10 6s2
- Electronegativity
- 1.22
- Block
- f-block
- Group
- —
- Period
- 6
Physical Properties
- Phase (STP)
- solid
- Melting Point
- 1680.00 K
- Boiling Point
- 2840.00 K
- Density
- 8.5400 g/cm³
About Dysprosium
Highly magnetic; used in neodymium magnets and nuclear reactor control rods.
Isotopes of Dysprosium
Dysprosium has 7 naturally occurring isotopes.
| Isotope | Mass Number | Atomic Mass (u) | Abundance | Type |
|---|---|---|---|---|
| 156Dy | 156 | 155.9242847 | 0.0560% | Stable |
| 158Dy | 158 | 157.9244159 | 0.0950% | Stable |
| 160Dy | 160 | 159.9252046 | 2.329% | Stable |
| 161Dy | 161 | 160.9269405 | 18.89% | Stable |
| 162Dy | 162 | 161.9268056 | 25.47% | Stable |
| 163Dy | 163 | 162.9287383 | 24.90% | Stable |
| 164Dy | 164 | 163.9291819 | 28.26% | Stable |
Data source: NIH PubChem (aggregated from IUPAC, NIST)