Tc
Technetium Symbol (Tc)
Technetium is element 43 of the periodic table. Copy its symbol Tc and see its atomic weight, electron configuration and physical properties.
What does Tc mean?
Tc is the chemical symbol for technetium, element number 43 in the periodic table. Technetium is a transition metal in group 7, period 5. It is a solid at room temperature and was discovered in 1937.
Codes and properties
| Chemical symbol | Tc |
|---|---|
| Atomic number (Z) | 43 |
| Mass number (no standard atomic weight) | [97] |
| Group / period | 7 / 5 |
| Element category | transition metal |
| Electron configuration | [Kr]5s² 4d⁵ |
| State at 20 °C | Solid |
| Oxidation states | +7, +6, +4 |
| Electronegativity (Pauling) | 1.9 |
| Melting point | 2430 K (2156.85 °C) |
| Boiling point | 4538 K (4264.85 °C) |
| Density | 11 g/cm³ |
| Discovered | 1937 |
How to type Tc
- Plain text: type
Tc— 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{Tc}in math mode, or use the mhchem package:\ce{Tc}. - HTML:
Tc; for subscripts use<sub>, e.g.H<sub>2</sub>O.
Frequently asked questions
What is the chemical symbol for technetium?
The chemical symbol for technetium is Tc.
What is the atomic number of technetium?
Technetium has atomic number 43, meaning each atom has 43 protons.
What is the electron configuration of technetium?
The ground-state electron configuration of technetium is [Kr]5s² 4d⁵.
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Reference: Technetium on PubChem (NIH)