| Element (Atom) Name | Iodine |
| Symbol | I |
| Physical state at room temperature | Solid |
| Element Classification | Non-metal |
| Group Name | Halogen |
| Period Number (Periodic table) | 5 |
| Group number (Periodic table) | 17 |
| Atomic number | 53 |
| Atomic weight | 126.90447 (Ref: Jlab-ele053, Ciaaw-iodine, Nist-53) 126.9 (Ref: Lanl-53) |
| Atomic Radius | 198 pm (Van der Waals) (Ref: Lanl-53) |
| Density | 4.93 g/cm3 (Ref: Jlab-ele053) |
| Melting point | 113.7°C (Ref: Jlab-ele053, Lanl-53) |
| Boiling point | 184.4°C (Ref: Jlab-ele053) 184.3 °C (Ref: Lanl-53) |
| Electron shell configuration | 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p5 |
| Oxidation States | +7, +5, +1, -1 (Ref: Jlab-ele053) 7, 6, 5, 4, 3, 1, −1 (a strongly acidic oxide) (Ref: Lanl-53) |
| Ionization Energy | 10.451 eV (Ref: Jlab-ele053) 10.451260 eV (Ref: Nist-53) |
| Number of Stable Isotopes | 1 |
| InChI | InChI=1S/I (Ref: Pubchem-53) |
| InChI Key | ZCYVEMRRCGMTRW-UHFFFAOYSA-N (Ref: Pubchem-53) |
| Remarks |
REFERENCES
- Jlab-ele053: https://education.jlab.org/itselemental/ele053.html
- Lanl-53: https://periodic.lanl.gov/53.shtml
- Ciaaw-iodine : https://www.ciaaw.org/iodine.htm
- Nist-53 : https://physics.nist.gov/cgi-bin/Elements/elInfo.pl?element=53
- Pubchem-53: https://pubchem.ncbi.nlm.nih.gov/element/53
- science.co.il: https://www.science.co.il/elements/
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