Holmium (Ho) has atomic number 67 and is classified as a lanthanide. It sits in f-block series, period 6 of the periodic table. Its practical relevance includes solid-state lasers, magnetic research, nuclear applications and specialized medical systems.
ELEMENT DATA
Quick facts
#Atomic number67
AaSymbolHo Relative
◉Atomic mass164.93033 State at room temperature Solid
⌘Groupf-block
Position in the periodic table
Lanthanides are f-block metals known for closely related chemistry and valuable magnetic, optical and catalytic properties. They are important in permanent magnets, phosphors, lasers, catalysts and advanced electronic systems.
Holmium belongs to period 6. Its position helps explain recurring trends such as atomic size, bonding behavior, oxidation states and the way it interacts with neighboring elements.
Why Holmium matters
In engineering and technology, holmium is associated with solid-state lasers, magnetic research, nuclear applications and specialized medical systems. The importance of the element may come from the pure element itself, from compounds containing it, or from its role as an alloying, electronic, catalytic or nuclear material.
Engineering and scientific context
Material behavior should never be inferred from the element name alone. Purity, isotope composition, crystal structure, processing history, temperature and the surrounding chemical environment can all change performance. In alloys and compounds, the contribution of holmium depends on concentration and interaction with the other constituents.
Safety and handling
The hazards associated with Holmium depend on its physical form, purity, compounds, process temperature and exposure route. Engineering decisions should use the applicable safety data sheet and project-specific risk assessment.
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