73 Ta
Transition metal
Tantalum
Used in phone capacitors.
Properties of Tantalum
- Atomic number (Z)
- 73
- Symbol
- Ta
- Atomic mass
- 180.95 g/mol
- Category
- Transition metal
- Group
- 5
- Period
- 6
- Electron configuration
- [Xe] 4f¹⁴ 5d³ 6s²
- Electronegativity (Pauling)
- 1.5
- Atomic radius
- 200 pm
- First ionization energy
- 761 kJ/mol
- Melting point
- 3290 K (3016.8 °C)
- Boiling point
- 5731 K (5457.9 °C)
- Density
- 16.654 g/cm³
- Phase at 25 °C
- Solid
- Discovered
- Discovered in 1802
Frequently asked questions
What is Tantalum?
Tantalum (Ta) is a transition metal, element number 73 on the periodic table. Used in phone capacitors.
What is the atomic number and atomic mass of Tantalum?
Tantalum has atomic number 73 and an atomic mass of about 180.95 g/mol.
What is the electron configuration of Tantalum?
The electron configuration of Tantalum is [Xe] 4f¹⁴ 5d³ 6s².
Where is Tantalum on the periodic table?
Tantalum sits in group 5, period 6, and is classified as a transition metal.