Gallium |
| Simbool | Ga |
|---|---|
| Latynse naam | Gallium |
| Atoomgetal | 31 |
| Periode | 4 |
| Element kategorie | Metale |
| Relatieve atomiese massa | 69.723 |
| Groep | III.A |
| Electronegativiteit | 1.6 |
| Oksidering nommers | 3 |
| Elektronkonfigurasie | 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p1 |
| Digtheid [g/cm3] | 5.93 |
| Staat | Vaste stof |
| Smeltpunt [°C] | 29.78 |
| Kookpunt [°C] | 2403 |
| Atoomradius [pm] | 135 |
| Covalent radius [pm] | 122 |
| Termiese geleidingsvermoë [W m-1K-1] | 40.6 |
| Hitte kapasiteit [J K-1g-1] | 0.371 |
| Ontdekking | 1875 |
| Hardheid [Mohs-skaal] | 1.5 |
| Brinell-hardheid [MPa] | 60 |
| Elektriese geleiding [S m-1] | 7.1 · 106 |
| 1ste ionisasie-energie [eV] | 5.9993 |
| 2de ionisasie-energie [eV] | 20.51 |
| 3de ionisasie-energie [eV] | 30.71 |
| Stabiele isotope | 2 |
| Onstabiele isotope | 11 |