Symbol
Ta
Atomic Number
73
Atomic Mass
180.94788
Protons
73
Neutrons
107
Electrons
73
Type
Transition Metal
Isotopes
Tantalum-180, Tantalum-181, Tantalum-182, Tantalum-183, Tantalum-184, Tantalum-186
Discovery Year
1802
Discovered By
Anders Ekeberg
Group
5
Period
6
Boiling Point
5458°C
Melting Point
3017°C
Electron Configuration
[Xe] 6s² 4f¹⁴ 5d³
Density (g/cm³)
16.654
Crystal Structure
Body-centered cubic
Magnetism
Paramagnetic
Abundance in Earth's Crust
0.0002%
Phase at Room Temperature
Solid