Tantalum has an atomic number of 73, meaning each atom contains 73 protons in its nucleus.
The standard atomic weight of tantalum is 180.95 u (unified atomic mass units).
Tantalum is classified as a transition metal.
Tantalum is a solid at 20 Β°C (68 Β°F).
The melting point of tantalum is 3016.85 Β°C / 3290 K.
The boiling point of tantalum is 5457.85 Β°C / 5731 K.
The density of tantalum is 16.69 g/cmΒ³ (20Β°C).
Tantalum has a Pauling electronegativity of 1.5.
The electron configuration of tantalum is [Xe] 4f14 5d3 6s2.
Tantalum commonly exhibits the following oxidation states: +5.
Tantalum was discovered in 1802 by Anders Ekeberg.
Tantalum is a stable element with no naturally occurring radioactive isotopes.
No known biological role.
Tantalum is used for: Capacitors; Surgical implants; Electronics.