Gallium
Chemical element
Gallium is a chemical element; it has symbol Ga and atomic number 31. Discovered by the French chemist Paul-Émile Lecoq de Boisbaudran in 1875, gallium is in group 13 of the periodic table and is similar to the other metals of the group. Wikipedia
Symbol: Ga
Atomic mass: 69.723 u
Atomic number: 31
Melting point: 85.58°F (29.76°C)
Discoverer: Paul-Émile Lecoq de Boisbaudran
Boiling point: 4,352°F (2,400°C)
Electron configuration: [Ar] 3d¹⁰ 4s² 4p¹