73
Ta
Tantalum
Tantalum
Tantalum (Ta)
Transition Metals · Solid · Period 6 · Group 5
Element Properties
- Atomic Number
- 73
- Symbol
- Ta
- Atomic Mass
- 180.9479
- Category
- Transition Metals
- Standard State
- Solid
- Period
- 6
- Group
- 5
- Electronegativity
- 1.5
- Atomic Radius
- 217
- Ionization Energy
- 7.89
- Electron Affinity
- 0.32
- Oxidation States
- +5
- Melting Point
- 3290 K (3016.85 °C)
- Boiling Point
- 5731 K (5457.85 °C)
- Density
- 16.4
- Electron Configuration
- [Xe]6s2 4f14 5d3
- Year Discovered
- 1802
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Frequently asked questions
What is the atomic number of Tantalum?
The atomic number of Tantalum is 73, which equals the number of protons in its nucleus.
What is the atomic mass of Tantalum?
The atomic mass of Tantalum is approximately 180.9479 u (one twelfth of the mass of a carbon-12 atom).
What is the electron configuration of Tantalum?
The electron configuration of Tantalum is [Xe]6s2 4f14 5d3.
Where is Tantalum in the periodic table?
Tantalum is located in period 6, group 5.
When was Tantalum discovered?
Tantalum was discovered in 1802.