← Periodic Table
67
f🧱
Ho
164.9300

Holmium

Lanthanide

Atomic Properties

Atomic Number
67
Atomic Mass
164.9300 u
Electron Configuration
[Xe] 4f11 6s2
Electronegativity
1.23
Block
f-block
Group
Period
6

🌡 Physical Properties

Phase (STP)
solid
Melting Point
1734.00 K
Boiling Point
2873.00 K
Density
8.7900 g/cm³

About Holmium

Highest magnetic moment of any element; used in lasers and magnets.

🔬 Isotopes of Holmium

Holmium has 1 naturally occurring isotope.

IsotopeMass NumberAtomic Mass (u)AbundanceType
165Ho165164.9303288100.00%Stable

Data source: NIH PubChem (aggregated from IUPAC, NIST)