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Tantalum
73
Ta
180.948
Atomic Number 73
Atomic Weight 180.948
Electron Config. 2-2-6-2-6-10-2-6-10-14-2-6-3-0-2
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 16400 kg/m3 Solid  298.15 
Modulus of Elasticity 186.159 GPa Solid  293.15   
Poisson Ratio 0.34 Solid     
Thermal Expansion Coefficient 6.300 /K Solid  298.15  

Electrical Properties Conditions
Temp. (K) Note
Electrical Resistivity 1.245 W-m 298.15  

Thermal Properties Conditions
Temp. (K) Pressure (Pa)
Melting Temperature 3290.15 K   101325 
Boiling Temperature 5731.15 K   101325 
Critical Temperature 16500 K    
Fusion Enthalpy 202.1 J/g 101325 
Heat Capacity 140 J/kg-K 298.149993896 more... 100000 
Thermal Conductivity 57.5 W/m-K 300 101325 
 
Glossary
Essentials of Manufacturing

Information, coverage of important developments and expert commentary in manufacturing.

STEM Career Outlook

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

CNC Machining Design Guide

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

Mechanical Engineers Outlook

Guide for those interested in becoming a mechanical engineer. Includes qualifications, pay, and job duties.