31
Ga
Gallium
69,723 u
Gallium
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Période
4
Groupe
13
Bloc
p-bloc
Phase (STP)
Solid
Gallium is a soft metal that melts just above room temperature. It is used in semiconductors, LEDs, and solar cells.
Apparence: Silvery blue
Compounds Containing Gallium
Plus de Métal Post-Transition
Frequently Asked Questions
What is Gallium?
Gallium (Ga) is a chemical element with atomic number 31. It is a solid at standard temperature and pressure, classified as a métal post-transition.
What are the key properties of Gallium?
Gallium has an atomic mass of 69.723 u, density of 5.91 g/cm³, melting point of 29.8°C, boiling point of 2399.8°C.
What is the electron configuration of Gallium?
The electron configuration of Gallium is [Ar] 3d10 4s2 4p1. It is in the p-block of the periodic table.
Who discovered Gallium?
Gallium was discovered by Lecoq de Boisbaudran in 1875.
What is the electronegativity of Gallium?
Gallium has an electronegativity of 1.81 on the Pauling scale.