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| Element (Atom) Name | Gallium |
| Symbol | Ga |
| Physical state at room temperature | Solid |
| Element Classification | Metal |
| Group Name | None |
| Period Number (Periodic table) | 4 |
| Group number (Periodic table) | 13 |
| Atomic number | 31 |
| Atomic weight | 69.723 (Ref: Jlab-ele031, ciaaw-gallium, Nist-31) 69.72 (Ref: Lanl-31) |
| Atomic Radius | 187 pm (Van der Waals) (Ref: Lanl-31) |
| Density | 5.91 g/ml (Ref: Jlab-ele031) |
| Melting point | 29.76°C (Ref: Jlab-ele031, Lanl-31) |
| Boiling point | 2204°C (Ref: Jlab-ele031) 2400 °C (Ref: Lanl-31) |
| Electron shell configuration | 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p1 |
| Oxidation States | +3 (Ref: Jlab-ele031) 3, 2, 1, −1, −2, −4, −5 (an amphoteric oxide) (Ref: Lanl-31) |
| Ionization Energy | 5.999 eV (Ref: Jlab-ele031) 5.9993020 eV (Ref: Nist-31) |
| Number of Stable Isotopes | 2 |
| InChI | InChI=1S/Ga (Ref: Pubchem-31) |
| InChI Key | GYHNNYVSQQEPJS-UHFFFAOYSA-N (Ref: Pubchem-31) |
| Remarks |
REFERENCES
- Jlab-ele031: https://education.jlab.org/itselemental/ele031.html
- Lanl-31: https://periodic.lanl.gov/31.shtml
- ciaaw-gallium : https://www.ciaaw.org/gallium.htm
- Nist-31 : https://physics.nist.gov/cgi-bin/Elements/elInfo.pl?element=31
- Pubchem-31: https://pubchem.ncbi.nlm.nih.gov/element/31
- science.co.il: https://www.science.co.il/elements/
NEWS:
- Gallium and germanium: What China’s new move in microchip war means for world
https://www.bbc.com/news/business-66118831