| Element (Atom) Name | Technetium |
| Symbol | Tc |
| Physical state at room temperature | Solid |
| Element Classification | Metal |
| Group Name | None |
| Period Number (Periodic table) | 5 |
| Group number (Periodic table) | 7 |
| Atomic number | 43 |
| Atomic weight | 98 (Ref: Jlab-ele043, Lanl-43, Nist-43) |
| Atomic Radius | 209 pm (Van der Waals) (Ref: Lanl-43) |
| Density | 11 g/cm3 (Ref: Jlab-ele043) |
| Melting point | 2157°C (Ref: Jlab-ele043, Lanl-43) |
| Boiling point | 4265°C (Ref: Jlab-ele043, Lanl-43) |
| Electron shell configuration | 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d5 5s2 |
| Oxidation States | +7, +6, +4 (Ref: Jlab-ele043) 7, 6, 5, 4, 3, 2, 1, −1, −3 (a strongly acidic oxide) (Ref: Lanl-43) |
| Ionization Energy | 7.28 eV (Ref: Jlab-ele043) 7.11938 eV (Ref: Nist-43) |
| Number of Stable Isotopes | 0 |
| InChI | InChI=1S/Tc (Ref: Pubchem-43) |
| InChI Key | GKLVYJBZJHMRIY-UHFFFAOYSA-N (Ref: Pubchem-43) |
| Remarks |
REFERENCES
- Jlab-ele043: https://education.jlab.org/itselemental/ele043.html
- Lanl-43: https://periodic.lanl.gov/43.shtml
- ciaaw: https://www.ciaaw.org/atomic-weights.htm
- Nist-43 : https://physics.nist.gov/cgi-bin/Elements/elInfo.pl?element=43
- Pubchem-43: https://pubchem.ncbi.nlm.nih.gov/element/43
- science.co.il: https://www.science.co.il/elements/
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