77 Ir Iridio 192,22 u

Iridio

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Período
6
Grupo
9
Bloque
d-bloque
Fase (STP)
Solid

El iridio es el metal más resistente a la corrosión que se conoce. Se usa en bujías, crisoles y en el prototipo internacional del kilogramo.

Acerca de Iridio

Iridium (Ir) is the most corrosion-resistant metal known, resisting acids and remaining stable at high temperatures. Element 77 occupies group 9 of period 6 in the d-block, with an atomic mass of 192.22, the electron configuration [Xe] 4f¹⁴ 5d⁷ 6s², and a Pauling electronegativity of 2.2. This durability suits it to hard-wearing applications such as long-life spark-plug electrodes and crucibles for growing high-purity crystals. Iridium historically defined the standard for permanence: the international prototype kilogram was a platinum-iridium alloy. A dense, hard, silvery member of the platinum group, it is solid at standard conditions.

Propiedades físicas

Masa atómica 192.22 u
Fase a STP Solid

Propiedades electrónicas

Electronegatividad 2.2

Configuración electrónica

Configuración [Xe] 4f¹⁴ 5d⁷ 6s²

Configuración de capas electrónicas

Configuración de capas electrónicas de Iridio Ir 2e⁻ 8e⁻ 18e⁻ 32e⁻ 15e⁻ 2e⁻
Estructura de capas electrónicas de Iridio: electrones por capa.
Capa Electrones
1 (K) 2
2 (L) 8
3 (M) 18
4 (N) 32
5 (O) 15
6 (P) 2

Posición en la tabla periódica

Posición de Iridio en la tabla periódica Ir

Bloque y período

Bloque

s p d f

Período

1 2 3 4 5 6 7

Tabla Periódica

Lantánidos Actínidos

Más Metal de Transición

21 Sc Escandio 22 Ti Titanio 23 V Vanadio 24 Cr Cromo 25 Mn Manganeso 26 Fe Hierro 27 Co Cobalto 28 Ni Níquel 29 Cu Cobre 30 Zn Cinc

Frequently Asked Questions

What is Iridio?
Iridio (Ir) is a chemical element with atomic number 77. It is a solid at standard temperature and pressure, classified as a metal de transición.
What are the key properties of Iridio?
Iridio has an atomic mass of 192.22 u.
What is the electron configuration of Iridio?
The electron configuration of Iridio is [Xe] 4f14 5d7 6s2. It is in the d-block of the periodic table.
What is the electronegativity of Iridio?
Iridio has an electronegativity of 2.2 on the Pauling scale.