69 Tm Tulio 168,93 u

Tulio

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

El tulio es el lantánido menos abundante de la corteza terrestre. Se usa en equipos portátiles de rayos X y láseres de estado sólido.

Acerca de Tulio

The least abundant lanthanide in Earth's crust, thulium (Tm) is among the rarest of the rare earth elements. Element 69 sits in period 6 of the f-block, with an atomic mass of 168.93, the electron configuration [Xe] 4f¹³ 6s², and a Pauling electronegativity of 1.25. When irradiated in a reactor, one of its isotopes emits X-rays, which allows thulium to serve as the radiation source in compact, portable X-ray devices. The element also appears in certain solid-state and fiber lasers. A soft, silvery metal, thulium is solid at standard conditions.

Propiedades físicas

Masa atómica 168.93 u
Fase a STP Solid

Propiedades electrónicas

Electronegatividad 1.25

Configuración electrónica

Configuración [Xe] 4f¹³ 6s²

Configuración de capas electrónicas

Configuración de capas electrónicas de Tulio Tm 2e⁻ 8e⁻ 18e⁻ 31e⁻ 8e⁻ 2e⁻
Estructura de capas electrónicas de Tulio: electrones por capa.
Capa Electrones
1 (K) 2
2 (L) 8
3 (M) 18
4 (N) 31
5 (O) 8
6 (P) 2

Posición en la tabla periódica

Posición de Tulio en la tabla periódica Tm

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 65 Tb Terbio 66 Dy Disprosio

Frequently Asked Questions

What is Tulio?
Tulio (Tm) is a chemical element with atomic number 69. It is a solid at standard temperature and pressure, classified as a lantánido.
What are the key properties of Tulio?
Tulio has an atomic mass of 168.93 u.
What is the electron configuration of Tulio?
The electron configuration of Tulio is [Xe] 4f13 6s2. It is in the f-block of the periodic table.
What is the electronegativity of Tulio?
Tulio has an electronegativity of 1.25 on the Pauling scale.