#73
Ta
Tantalum
180.94788 u

Tantalum

Transition Metal
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Properties

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
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