| Element (Atom) Name | Krypton |
| Symbol | Kr |
| Physical state at room temperature | Gas |
| Element Classification | non-metal |
| Group Name | Noble Gas |
| Period Number (Periodic table) | 4 |
| Group number (Periodic table) | 18 |
| Atomic number | 36 |
| Atomic weight | 83.798 (Ref: Jlab-ele036, ciaaw-krypton, Nist-36) 83.79 (Ref: Lanl-36) |
| Atomic Radius | 202 pm (Van der Waals) (Ref: Lanl-36) |
| Density | 0.003733 g/ml (Ref: Jlab-ele036) |
| Melting point | -157.36°C (Ref: Jlab-ele036) -157.37 °C (Ref: Lanl-36) |
| Boiling point | -153.22°C (Ref: Jlab-ele036) -153.415°C (Ref: Lanl-36) |
| Electron shell configuration | 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 |
| Oxidation States | 0 (Ref: Jlab-ele036) 2, 1, 0 (rarely more than 0; unknown oxide) (Ref: Lanl-36) |
| Ionization Energy | 14.000 eV (Ref: Jlab-ele036) 13.9996055 eV (Ref: Nist-36) |
| Number of Stable Isotopes | 5 |
| InChI | InChI=1S/Kr (Ref: Pubchem-36) |
| InChI Key | DNNSSWSSYDEUBZ-UHFFFAOYSA-N (Ref: Pubchem-36) |
| Remarks |
REFERENCES
- Jlab-ele036: https://education.jlab.org/itselemental/ele036.html
- Lanl-36: https://periodic.lanl.gov/36.shtml
- ciaaw-krypton: https://www.ciaaw.org/krypton.htm
- Nist-36 : https://physics.nist.gov/cgi-bin/Elements/elInfo.pl?element=36
- Pubchem-36: https://pubchem.ncbi.nlm.nih.gov/element/36
- science.co.il: https://www.science.co.il/elements/
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