76 Os Osmio 190,23 u

Osmio

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Período
6
Grupo
8
Bloque
d-bloque
Fase (STP)
Solid

El osmio es el elemento natural más denso. Se usa en plumines de pluma estilográfica, contactos eléctricos y como agente de tinción en microscopía.

Acerca de Osmio

Denser than any other naturally occurring element, osmium (Os) is a hard, brittle, bluish-white member of the platinum group. Element 76 lies in group 8 of period 6 in the d-block, with an atomic mass of 190.23, the electron configuration [Xe] 4f¹⁴ 5d⁶ 6s², and a Pauling electronegativity of 2.2. Its extreme hardness led to historic use in the tips of fountain-pen nibs and in durable electrical contacts, while osmium tetroxide is a valuable staining agent in electron microscopy. The metal is solid at standard conditions and, though usually alloyed with other platinum-group metals, is prized wherever exceptional wear resistance is required.

Propiedades físicas

Masa atómica 190.23 u
Fase a STP Solid

Propiedades electrónicas

Electronegatividad 2.2

Configuración electrónica

Configuración [Xe] 4f¹⁴ 5d⁶ 6s²

Configuración de capas electrónicas

Configuración de capas electrónicas de Osmio Os 2e⁻ 8e⁻ 18e⁻ 32e⁻ 14e⁻ 2e⁻
Estructura de capas electrónicas de Osmio: electrones por capa.
Capa Electrones
1 (K) 2
2 (L) 8
3 (M) 18
4 (N) 32
5 (O) 14
6 (P) 2

Posición en la tabla periódica

Posición de Osmio en la tabla periódica Os

Bloque y período

Bloque

s p d f

Período

1 2 3 4 5 6 7

Tabla Periódica

Lantánidos Actínidos

Compuestos que contienen Osmio

Tetróxido de osmio

OsO₄

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 Osmio?
Osmio (Os) is a chemical element with atomic number 76. It is a solid at standard temperature and pressure, classified as a metal de transición.
What are the key properties of Osmio?
Osmio has an atomic mass of 190.23 u.
What is the electron configuration of Osmio?
The electron configuration of Osmio is [Xe] 4f14 5d6 6s2. It is in the d-block of the periodic table.
What is the electronegativity of Osmio?
Osmio has an electronegativity of 2.2 on the Pauling scale.