Tantalum (Ta) — Transition metal. Atomic number 73.
Blue-gray metal
- Atomic number: 73
- Symbol: Ta
- Atomic mass: 180.95 u
- Category: Transition metal
- State: Solid
- Melting point: 3016.85 °C / 3290 K
- Boiling point: 5457.85 °C / 5731 K
- Density: 16.69 g/cm³ (20°C)
- Electron configuration: [Xe] 4f14 5d3 6s2
- Oxidation states: +5
- Electronegativity: 1.5
- Discovered by: Anders Ekeberg (1802)
Common uses: Capacitors, Surgical implants, Electronics
Biological role: No known biological role.
Frequently Asked Questions about Tantalum
What is the atomic number of tantalum?
Tantalum has an atomic number of 73, meaning each atom contains 73 protons in its nucleus.
What is the atomic mass of tantalum?
The standard atomic weight of tantalum is 180.95 u (unified atomic mass units).
What category does tantalum belong to?
Tantalum is classified as a transition metal.
What is the state of tantalum at room temperature?
Tantalum is a solid at 20 °C (68 °F).
What is the melting point of tantalum?
The melting point of tantalum is 3016.85 °C / 3290 K.
What is the boiling point of tantalum?
The boiling point of tantalum is 5457.85 °C / 5731 K.
What is the density of tantalum?
The density of tantalum is 16.69 g/cm³ (20°C).
What is the electronegativity of tantalum?
Tantalum has a Pauling electronegativity of 1.5.
What is the electron configuration of tantalum?
The electron configuration of tantalum is [Xe] 4f14 5d3 6s2.
What are the common oxidation states of tantalum?
Tantalum commonly exhibits the following oxidation states: +5.
When was tantalum discovered?
Tantalum was discovered in 1802 by Anders Ekeberg.
Is tantalum radioactive?
Tantalum is a stable element with no naturally occurring radioactive isotopes.
What is the biological role of tantalum?
No known biological role.
What are the common uses of tantalum?
Tantalum is used for: Capacitors; Surgical implants; Electronics.
