Elements / 68
68Er167.26
Erbium
Lanthanide · f-block · ring P
Erbium is element 68, a lanthanide. It is one of the lanthanides, which the spiral keeps in line on ring P instead of exiling them to a strip below the table.
Properties
| Density | 9.07 g/cm³ | Terrain → |
|---|---|---|
| Melting point | 1,802 K · 1,529 °C | Terrain → |
| Boiling point | 3,141 K · 2,868 °C | Terrain → |
| Electronegativity | 1.24 | Terrain → |
| First ionization energy | 589 kJ/mol | Terrain → |
| Atomic weight | 167.259 u | Terrain → |
| Crustal abundance | 3.5 ppm | Terrain → |
| Discovered | 1843 | Terrain → |
Values from open reference data; see sources. "Terrain" opens that property as a 3D landscape across the whole spiral.
Two things you might not know
- Its oxide is pink and is sometimes used to color glass, porcelain and cubic zirconia.
- Doped into silica glass fibers, it is the active part of the amplifiers that boost signals in optical communications.
Checked against en.wikipedia.org.
Lanthanides
- La Lanthanum
- Ce Cerium
- Pr Praseodymium
- Nd Neodymium
- Pm Promethium
- Sm Samarium
- Eu Europium
- Gd Gadolinium
- Tb Terbium
- Dy Dysprosium
- Ho Holmium
- Er Erbium
- Tm Thulium
- Yb Ytterbium
Ring P (period 6)
Play with Erbium
Watch it fly into its seat, or raise the whole spiral into a landscape and see where it peaks.