73

Ta

Tantalum

180.95

Transition Metal
Solid

Discovery

Ekeberg, Anders Gustav (1802)

Etymology

Greek

Meaning

The bearer of the sufferer

Electron configuration

Electron configuration

Crystal structure

Crystal structure

Body-centered cubic

Second crystal structure

Tetragonal

Physical Properties

Phase

  (at 21 °C and 101.325 kPa)

Solid

Melting point

  (at 101.325 kPa)

2996.0 °C

3269.15 K

Boiling point

  (at 101.325 kPa)

5400.0 °C

5673.15 K

Density

  (at 21 °C and 101.325 kPa)

16.65 g/cm3

Electronegativity

1.50