54 Xe Xenón 131,29 u

Xenón

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Período
5
Grupo
18
Bloque
p-bloque
Fase (STP)
Gas

El xenón es un gas noble capaz de formar compuestos con flúor y oxígeno. Se usa en lámparas de destello, lámparas de arco y anestesia.

Acerca de Xenón

Unusual among the noble gases for its measurable chemistry, xenon (Xe) forms stable compounds with fluorine and oxygen despite belonging to group 18. Element 54 lies in period 5 of the p-block, with an atomic mass of 131.29, the closed-shell configuration [Kr] 4d¹⁰ 5s² 5p⁶, and a Pauling electronegativity of 2.6. A dense, colorless gas at standard conditions, xenon produces a brilliant white light when electrically excited, which makes it valuable in photographic flash lamps and high-intensity arc lamps. It also serves as a general anesthetic. Its large, polarizable electron cloud allows the bonding that lighter noble gases resist.

Propiedades físicas

Masa atómica 131.29 u
Fase a STP Gas

Propiedades electrónicas

Electronegatividad 2.6

Configuración electrónica

Configuración [Kr] 4d¹⁰ 5s² 5p⁶

Configuración de capas electrónicas

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

Posición en la tabla periódica

Posición de Xenón en la tabla periódica Xe

Bloque y período

Bloque

s p d f

Período

1 2 3 4 5 6 7

Tabla Periódica

Lantánidos Actínidos

Reacciones con Xe

Desintegración beta de yodo-131

¹³¹I → ¹³¹Xe + e⁻ + ν̄ₑ + γ

Nuclear

Fisión del plutonio-239

²³⁹Pu + ¹n → ¹³⁴Xe + ¹⁰³Zr + 3¹n

Nuclear

Compuestos que contienen Xenón

Difluoruro de xenón

XeF₂

Más Gas Noble

2 He Helio 10 Ne Neón 18 Ar Argón 36 Kr Kriptón 86 Rn Radón

Frequently Asked Questions

What is Xenón?
Xenón (Xe) is a chemical element with atomic number 54. It is a gas at standard temperature and pressure, classified as a gas noble.
What are the key properties of Xenón?
Xenón has an atomic mass of 131.29 u.
What is the electron configuration of Xenón?
The electron configuration of Xenón is [Kr] 4d10 5s2 5p6. It is in the p-block of the periodic table.
What is the electronegativity of Xenón?
Xenón has an electronegativity of 2.6 on the Pauling scale.