Date of Discovery: 1802
Discoverer: Anders Ekeberg
Name Origin: After king Tantalus (Greek mythology)
Uses: Capacitors, camera lenses
Obtained From: Tantalite

 
Atomic Number: 73
Atomic Mass: 180.9479 amu
Melting Point: 2996.0 °C (3269.15 °K, 5424.8 °F)
Boiling Point: 5425.0 °C (5698.15 °K, 9797.0 °F)
Crystal Structure: Cubic
Density @ 293 K: 16.654 g/cm3
Color: Gray

 
Isotope
Ta-179
Ta-180
Ta-181
Ta-182
Half Life
1.8 years
1.2E15 years
Stable
114.43 days