65 Tb Terbio 158,93 u

Terbio

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Período
6
Grupo
—
Bloque
f-bloque
Fase (STP)
Solid

El terbio es un lantánido plateado empleado en fósforos verdes para pantallas. También se usa en dispositivos de estado sólido y pilas de combustible.

Acerca de Terbio

Terbium (Tb) is a soft, silvery lanthanide, element 65, in period 6 of the f-block. It has an atomic mass of 158.93, the electron configuration [Xe] 4f⁹ 6s², and a Pauling electronegativity of 1.2. The element is a key source of the green phosphors used in fluorescent lamps and color displays, and it appears in solid-state electronic devices and fuel cells. Terbium is also a component of magnetostrictive alloys that change shape in a magnetic field. Malleable and solid at standard conditions, it adopts the +3 oxidation state shared across the lanthanide series.

Propiedades físicas

Masa atómica 158.93 u
Fase a STP Solid

Propiedades electrónicas

Electronegatividad 1.2

Configuración electrónica

Configuración [Xe] 4f⁹ 6s²

Configuración de capas electrónicas

Configuración de capas electrónicas de Terbio Tb 2e⁻ 8e⁻ 18e⁻ 27e⁻ 8e⁻ 2e⁻
Estructura de capas electrónicas de Terbio: electrones por capa.
Capa Electrones
1 (K) 2
2 (L) 8
3 (M) 18
4 (N) 27
5 (O) 8
6 (P) 2

Posición en la tabla periódica

Posición de Terbio en la tabla periódica Tb

Bloque y período

Bloque

s p d f

Período

1 2 3 4 5 6 7

Tabla Periódica

Lantánidos Actínidos

Más Lantánido

57 La Lantano 58 Ce Cerio 59 Pr Praseodimio 60 Nd Neodimio 61 Pm Prometio 62 Sm Samario 63 Eu Europio 64 Gd Gadolinio 66 Dy Disprosio 67 Ho Holmio

Frequently Asked Questions

What is Terbio?
Terbio (Tb) is a chemical element with atomic number 65. It is a solid at standard temperature and pressure, classified as a lantánido.
What are the key properties of Terbio?
Terbio has an atomic mass of 158.93 u.
What is the electron configuration of Terbio?
The electron configuration of Terbio is [Xe] 4f9 6s2. It is in the f-block of the periodic table.
What is the electronegativity of Terbio?
Terbio has an electronegativity of 1.2 on the Pauling scale.