Ho

Holmium (Atomic Number 67)

Category: lanthanide | Period 6, Group 3 | Block: f

Rare earth metal exhibiting highest magnetic moment of any element.

Atomic & Physical Constants

Standard Atomic Weight:
164.930332 u
Standard State Phase:
Solid
Electron Configuration:
2, 8, 18, 29, 8, 2
Electronegativity (Pauling):
1.23
Melting Point:
1734 K
Boiling Point:
2873 K

Historical Discovery & Real-World Applications

Industrial & Scientific Uses

Surgical medical lasers, magnetic flux concentrators

Discovery History

Discovered by Marc Delafontaine (1878).

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