Holmium is a lanthanide with a very large magnetic moment, used mainly in specialised lasers, magnets, and research.
Atomic number
67
Category
Lanthanide
Period
6
Group
f-block
State
Solid
Fun facts about Holmium
Holmium compounds can colour glass yellow or red.
Holmium-doped lasers emit infrared light useful in some surgical procedures.
Sharp absorption lines make holmium oxide a wavelength calibration standard.
Common uses of Holmium
Medical and scientific lasers
Spectrometer calibration
Magnetic research
Where Holmium sits in the periodic table
Holmium belongs to the lanthanide series in period 6 and the f-block of the periodic table. Under the conditions represented in this reference, its state is solid.
Quick chemistry revision
For quick revision, pair the symbol Ho with atomic number 67 and the listed atomic mass 164.93. The summary, facts, and uses above keep those element properties together in one reference.