Elements / 67
67Ho164.93
Holmium
Lanthanide · f-block · ring P
Holmium is element 67, 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 | 8.79 g/cm³ | Terrain → |
|---|---|---|
| Melting point | 1,734 K · 1,461 °C | Terrain → |
| Boiling point | 2,873 K · 2,600 °C | Terrain → |
| Electronegativity | 1.23 | Terrain → |
| First ionization energy | 581 kJ/mol | Terrain → |
| Atomic weight | 164.93 u | Terrain → |
| Crustal abundance | 1.3 ppm | Terrain → |
| Discovered | 1878 | 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
- It has the highest magnetic permeability of any element, so it shapes the pole pieces of the strongest static magnets.
- Named after the Latin name for Stockholm; its lasers are used in surgery such as kidney stone removal.
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 Holmium
Watch it fly into its seat, or raise the whole spiral into a landscape and see where it peaks.