| Element (Atom) Name | Gadolinium |
| Symbol | Gd |
| Physical state at room temperature | Solid |
| Element Classification | Metal |
| Group Name | Lanthanide |
| Period Number (Periodic table) | 6 |
| Group number (Periodic table) | None |
| Atomic number | 64 |
| Atomic weight | 157.25 (Ref: Jlab-ele064, ciaaw-gadolinium, Nist-64) 157.2 (Ref: Lanl-64) |
| Atomic Radius | 237 pm (Van der Waals) (Ref: Lanl-64) |
| Density | 7.90 g/cm3 (Ref: Jlab-ele064) |
| Melting point | 1313°C (Ref: Jlab-ele064) 1312 °C (Ref: Lanl-64) |
| Boiling point | 3273°C (Ref: Jlab-ele064) 3000 °C (Ref: Lanl-64) |
| Electron shell configuration | 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f7 5s2 5p6 5d1 6s2 |
| Oxidation States | +3 (Ref: Jlab-ele064) 1, 2, 3 (a mildly basic oxide) (Ref: Lanl-64) |
| Ionization Energy | 6.150 eV (Ref: Jlab-ele064) 6.14980 eV (Ref: Nist-64) |
| Number of Stable Isotopes | 5 |
| InChI | InChI=1S/Gd (Ref: Pubchem-64) |
| InChI Key | UIWYJDYFSGRHKR-UHFFFAOYSA-N (Ref: Pubchem-64) |
| Remarks |
REFERENCES
- Jlab-ele064: https://education.jlab.org/itselemental/ele064.html
- Lanl-64: https://periodic.lanl.gov/64.shtml
- ciaaw-gadolinium: https://www.ciaaw.org/gadolinium.htm
- Nist-64: https://physics.nist.gov/cgi-bin/Elements/elInfo.pl?element=64
- Pubchem-64: https://pubchem.ncbi.nlm.nih.gov/element/64
- science.co.il: https://www.science.co.il/elements/
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