Atomic Number 73     Atomic Mass 180.948      State solid

Color grey blue     Electronegativity 2.36

Melting Point 2996°C     Boiling Point 5425°C

Natural Isotopes Ta-180 0.012%   Ta-181 99.988%

Abbreviated Electron Configuration [Xe] 5d³ 6s²

Discovered by Anders Ekeberg in 1802.