65 Tb Terbio 158,93 u
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

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.