48 Cd Cadmio 112,41 u

Cadmio

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Período
5
Grupo
12
Bloque
d-bloque
Fase (STP)
Solid

El cadmio es un metal blando de color blanco azulado empleado en baterías, pigmentos y recubrimientos. Es tóxico y un carcinógeno reconocido.

Acerca de Cadmio

Cadmium (Cd) is a soft, bluish-white transition metal, element 48, situated in group 12 of period 5 in the d-block. Its electron configuration is [Kr] 4d¹⁰ 5s², its atomic mass 112.41, and its Pauling electronegativity 1.69. Historically the metal found use in rechargeable batteries, in pigments valued for vivid yellows and reds, and in protective anti-corrosion coatings. These applications have been increasingly curtailed, however, because cadmium is toxic and a recognized carcinogen that accumulates in living tissue. Solid at standard temperature and pressure, it sits below zinc and above mercury in group 12 and shares their preference for the +2 oxidation state.

Propiedades físicas

Masa atómica 112.41 u
Fase a STP Solid

Propiedades electrónicas

Electronegatividad 1.69

Configuración electrónica

Configuración [Kr] 4d¹⁰ 5s²

Configuración de capas electrónicas

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

Posición en la tabla periódica

Posición de Cadmio en la tabla periódica Cd

Bloque y período

Bloque

s p d f

Período

1 2 3 4 5 6 7

Tabla Periódica

Lantánidos Actínidos

Reacciones con Cd

Formación de óxido de cadmio

2Cd + O₂ → 2CdO

Síntesis

Compuestos que contienen Cadmio

Óxido de cadmio

CdO

Sulfuro de cadmio

CdS

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 Cadmio?
Cadmio (Cd) is a chemical element with atomic number 48. It is a solid at standard temperature and pressure, classified as a metal de transición.
What are the key properties of Cadmio?
Cadmio has an atomic mass of 112.41 u.
What is the electron configuration of Cadmio?
The electron configuration of Cadmio is [Kr] 4d10 5s2. It is in the d-block of the periodic table.
What is the electronegativity of Cadmio?
Cadmio has an electronegativity of 1.69 on the Pauling scale.