Atomic Properties
- Atomic Number
- 70
- Atomic Mass
- 173.0500 u
- Electron Configuration
- [Xe] 4f14 6s2
- Electronegativity
- 1.10
- Block
- f-block
- Group
- —
- Period
- 6
Physical Properties
- Phase (STP)
- solid
- Melting Point
- 1097.00 K
- Boiling Point
- 1469.00 K
- Density
- 6.9000 g/cm³
About Ytterbium
Used in atomic clocks, lasers, and as a doping agent in steel.
Isotopes of Ytterbium
Ytterbium has 7 naturally occurring isotopes.
| Isotope | Mass Number | Atomic Mass (u) | Abundance | Type |
|---|---|---|---|---|
| 168Yb | 168 | 167.9338896 | 0.1230% | Stable |
| 170Yb | 170 | 169.9347664 | 2.982% | Stable |
| 171Yb | 171 | 170.9363302 | 14.09% | Stable |
| 172Yb | 172 | 171.9363859 | 21.68% | Stable |
| 173Yb | 173 | 172.9382151 | 16.10% | Stable |
| 174Yb | 174 | 173.9388664 | 32.03% | Stable |
| 176Yb | 176 | 175.9425764 | 13.00% | Stable |
Data source: NIH PubChem (aggregated from IUPAC, NIST)