Materials Home
Pure Elements
Periodic Table
Element List
  by Name
  by Symbol
  by Atomic Number
  by Atomic Weight
Element Information
Resources
Bibliography
NASA Tech Briefs

Innovations developed by NASA and its industry partners in a wide array of fields.

Hydraulics & Pneumatics

For design and manufacturing engineers involved in buying or specifying fluid power components and systems.

World Pumps

Major news, innovation and real-life applications for pumps and ancillary equipment.

Reinforced Plastics

Informed and impartial coverage on the global composites industry.

more free magazines
Holmium
67
Ho
164.93
Atomic Number 67
Atomic Weight 164.93
Electron Config. 2-2-6-2-6-10-2-6-10-11-2-6-0-0-2
Electron configuration order: 1s-2s-2p-3s-3p-3d-4s-4p-4d-4f-5s-5p-5d-5f-6s-6p-6d-7s

Mechanical Properties Conditions
Phase Temp. (K) Pressure (Pa)
Density 8800 kg/m3 Solid  298.15 
Modulus of Elasticity 75.842 GPa Solid  0   
Poisson Ratio 0.23 Solid     
Thermal Expansion Coefficient 1.120 /K Solid  298.15  

Electrical Properties Conditions
Temp. (K) Note
Electrical Resistivity 8.700 W-m 298.15  

Thermal Properties Conditions
Temp. (K) Pressure (Pa)
Melting Temperature 1745.15 K   101325 
Boiling Temperature 2967.15 K   101325 
Critical Temperature 7575 K    
Fusion Enthalpy 71.3 J/g 101325 
Heat Capacity 165 J/kg-K 298.149993896 100000 
Thermal Conductivity 16.2 W/m-K 300 101325 
 
Glossary