31 Ga Gallium 69,723 u

Gallium

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Período
4
Grupo
13
Bloque
p-bloque
Fase (STP)
Solid

Gallium is a soft metal that melts just above room temperature. It is used in semiconductors, LEDs, and solar cells.

Apariencia: Silvery blue

Propiedades físicas

Masa atómica 69.723 u
Densidad 5.91 g/cm³
Punto de fusión 29.8 °C
Punto de ebullición 2399.8 °C
Fase a STP Solid
Radio atómico 136.0 pm

Propiedades electrónicas

Electronegatividad 1.81
Energía de ionización 578.8 eV
Afinidad electrónica 28.9 eV
Electrones de valencia 3

Configuración electrónica

Configuración [Ar] 3d¹⁰ 4s² 4p¹

Electron Shell Configuration

Gallium electron shell configuration Ga 2e⁻ 8e⁻ 18e⁻ 3e⁻

Position in Periodic Table

Gallium position in the periodic table Ga

Descubrimiento

Descubierto por: Lecoq de Boisbaudran
Año: 1875

Bloque y período

Período

Tabla Periódica

Lantánidos Actínidos

Compounds Containing Gallium

Más Metal Post-Transición

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 metal post-transición.
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.