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Iridium
77
Ir
192.217
Atomic Number 77
Atomic Weight 192.217
Electron Config. 2-2-6-2-6-10-2-6-10-14-2-6-7-0-2
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 22500 kg/m3 Solid  298.15 
Modulus of Elasticity 524.002 GPa Solid  0   
Poisson Ratio 0.26 Solid     
Thermal Expansion Coefficient 6.400 /K Solid  298.15  

Electrical Properties Conditions
Temp. (K) Note
Electrical Resistivity 5.300 W-m 293.15  

Thermal Properties Conditions
Temp. (K) Pressure (Pa)
Melting Temperature 2719.15 K   101325 
Boiling Temperature 4701.15 K   101325 
Critical Temperature 7800 K    
Fusion Enthalpy 213.9 J/g 101325 
Heat Capacity 131 J/kg-K 298.149993896 100000 
Thermal Conductivity 147 W/m-K 300 101325 
 
Glossary
CNC Machining Design Guide

Optimize your designs, reduce machining time, and lower your costs.

STEM Career Outlook

Wages, employment opportunities, and growth projections for STEM jobs.

Negotiate Your Salary

Learn the best principles to negotiate the salary you deserve!

Selecting the Right 3D Printer

Discover how to choose the right 3D printer for your needs and the key performance attributes to consider.