90 Th Torio 232,04 u

Torio

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Período
7
Grupo
—
Bloque
f-bloque
Fase (STP)
Solid

El torio es un actínido débilmente radiactivo que se investiga como combustible nuclear. Es más abundante que el uranio en la corteza terrestre.

Acerca de Torio

Abundance sets thorium apart from the other heavy actinides: the crust contains more of it than of uranium, and its weak radioactivity makes it comparatively tractable to handle. The element holds atomic number 90 and a relative atomic mass of 232.04, with the configuration [Rn] 6d2 7s2 and an electronegativity of 1.3. It is a solid at standard temperature and pressure and belongs to the f-block of period 7. Its abundance and nuclear behaviour together explain sustained research interest in thorium as a reactor fuel, an application investigated as an alternative to the uranium fuel cycle that currently dominates civil nuclear power. Unlike most members of the series, thorium is recovered from ordinary mineral processing rather than produced in a reactor.

Propiedades físicas

Masa atómica 232.04 u
Fase a STP Solid

Propiedades electrónicas

Electronegatividad 1.3

Configuración electrónica

Configuración [Rn] 6d² 7s²

Configuración de capas electrónicas

Configuración de capas electrónicas de Torio Th 2e⁻ 8e⁻ 18e⁻ 32e⁻ 18e⁻ 10e⁻ 2e⁻
Estructura de capas electrónicas de Torio: electrones por capa.
Capa Electrones
1 (K) 2
2 (L) 8
3 (M) 18
4 (N) 32
5 (O) 18
6 (P) 10
7 (Q) 2

Posición en la tabla periódica

Posición de Torio en la tabla periódica Th

Bloque y período

Bloque

s p d f

Período

1 2 3 4 5 6 7

Tabla Periódica

Lantánidos Actínidos

Reacciones con Th

Desintegración alfa de torio-232

²³²Th → ²²⁸Ra + ⁴He

Nuclear

Desintegración alfa de uranio-238

²³⁸U → ²³⁴Th + ⁴He

Nuclear

Más Actínido

89 Ac Actinio 91 Pa Protactinio 92 U Uranio 93 Np Neptunio 94 Pu Plutonio 95 Am Americio 96 Cm Curio 97 Bk Berkelio 98 Cf Californio 99 Es Einstenio

Frequently Asked Questions

What is Torio?
Torio (Th) is a chemical element with atomic number 90. It is a solid at standard temperature and pressure, classified as a actínido.
What are the key properties of Torio?
Torio has an atomic mass of 232.04 u.
What is the electron configuration of Torio?
The electron configuration of Torio is [Rn] 6d2 7s2. It is in the f-block of the periodic table.
What is the electronegativity of Torio?
Torio has an electronegativity of 1.3 on the Pauling scale.