| Element (Atom) Name | Platinum |
| Symbol | Pt |
| Physical state at room temperature | Solid |
| Element Classification | Metal |
| Group Name | None |
| Period Number (Periodic table) | 6 |
| Group number (Periodic table) | 10 |
| Atomic number | 78 |
| Atomic weight | 195.084 (Ref: Jlab-ele078, ciaaw-platinum, Nist-78) 195.1 (Ref: Lanl-78) |
| Atomic Radius | 209 pm (Van der Waals) (Ref: Lanl-78) |
| Density | 21.46 g/cm3 (Ref: Jlab-ele078) |
| Melting point | 1768.4°C (Ref: Jlab-ele078) 1768.3 °C (Ref: Lanl-78) |
| Boiling point | 3825°C (Ref: Jlab-ele078, Lanl-78) |
| Electron shell configuration | 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d9 6s1 |
| Oxidation States | +4, +2 (Ref: Jlab-ele078) 6, 5, 4, 3, 2, 1, −1, −2, −3 (a mildly basic oxide) (Ref: Lanl-78) |
| Ionization Energy | 9 eV (Ref: Jlab-ele078) 8.95883 eV (Ref: Nist-78) |
| Number of Stable Isotopes | 5 |
| InChI | InChI=1S/Pt (Ref: Pubchem-78) |
| InChI Key | BASFCYQUMIYNBI-UHFFFAOYSA-N (Ref: Pubchem-78) |
| Remarks |
REFERENCES
- Jlab-ele078: https://education.jlab.org/itselemental/ele078.html
- Lanl-78: https://periodic.lanl.gov/78.shtml
- ciaaw-platinum: https://www.ciaaw.org/platinum.htm
- Nist-78: https://physics.nist.gov/cgi-bin/Elements/elInfo.pl?element=78
- Pubchem-78: https://pubchem.ncbi.nlm.nih.gov/element/78
- science.co.il: https://www.science.co.il/elements/
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