Ta
Tantalum Symbol (Ta)
Tantalum is element 73 of the periodic table. Copy its symbol Ta and see its atomic weight, electron configuration and physical properties.
What does Ta mean?
Ta is the chemical symbol for tantalum, element number 73 in the periodic table. Tantalum is a transition metal in group 5, period 6. It is a solid at room temperature and was discovered in 1802.
Codes and properties
| Chemical symbol | Ta |
|---|---|
| Atomic number (Z) | 73 |
| Atomic weight (PubChem) | 180.9479 |
| Group / period | 5 / 6 |
| Element category | transition metal |
| Electron configuration | [Xe]6s² 4f¹⁴ 5d³ |
| State at 20 °C | Solid |
| Oxidation states | +5 |
| Electronegativity (Pauling) | 1.5 |
| Melting point | 3290 K (3016.85 °C) |
| Boiling point | 5731 K (5457.85 °C) |
| Density | 16.4 g/cm³ |
| Discovered | 1802 |
How to type Ta
- Plain text: type
Ta— element symbols are ordinary Latin letters, with the first letter capitalised and the second lowercase. - Subscripts in formulas: use Unicode subscript digits (₀₁₂₃₄₅₆₇₈₉) for formulas such as H₂O — copy them from the chemistry keyboard.
- LaTeX: write
\mathrm{Ta}in math mode, or use the mhchem package:\ce{Ta}. - HTML:
Ta; for subscripts use<sub>, e.g.H<sub>2</sub>O.
Frequently asked questions
What is the chemical symbol for tantalum?
The chemical symbol for tantalum is Ta.
What is the atomic number of tantalum?
Tantalum has atomic number 73, meaning each atom has 73 protons.
What is the electron configuration of tantalum?
The ground-state electron configuration of tantalum is [Xe]6s² 4f¹⁴ 5d³.
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Reference: Tantalum on PubChem (NIH)