51 Sb Antimonio 121,76 u

Antimonio

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Período
5
Grupo
15
Bloque
p-bloque
Fase (STP)
Solid

El antimonio es un metaloide brillante empleado en retardantes de llama, baterías y semiconductores. Se conoce desde la antigüedad.

Acerca de Antimonio

Antimony (Sb) is a lustrous, silvery metalloid known and used since ancient times. Element 51 occupies group 15 of period 5 in the p-block, with an atomic mass of 121.76, the electron configuration [Kr] 4d¹⁰ 5s² 5p³, and a Pauling electronegativity of 2.05. Its compounds are widely employed as flame retardants, while the element itself hardens lead in battery plates and appears in certain semiconductors. Displaying properties intermediate between metals and nonmetals, antimony is brittle and solid at standard conditions, a characteristic metalloid of the nitrogen group that sits directly below arsenic.

Propiedades físicas

Masa atómica 121.76 u
Fase a STP Solid

Propiedades electrónicas

Electronegatividad 2.05

Configuración electrónica

Configuración [Kr] 4d¹⁰ 5s² 5p³

Configuración de capas electrónicas

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

Posición en la tabla periódica

Posición de Antimonio en la tabla periódica Sb

Bloque y período

Bloque

s p d f

Período

1 2 3 4 5 6 7

Tabla Periódica

Lantánidos Actínidos

Compuestos que contienen Antimonio

Trióxido de antimonio

Sb₂O₃

Más Metaloide

5 B Boro 14 Si Silicio 32 Ge Germanio 33 As Arsénico 52 Te Telurio

Frequently Asked Questions

What is Antimonio?
Antimonio (Sb) is a chemical element with atomic number 51. It is a solid at standard temperature and pressure, classified as a metaloide.
What are the key properties of Antimonio?
Antimonio has an atomic mass of 121.76 u.
What is the electron configuration of Antimonio?
The electron configuration of Antimonio is [Kr] 4d10 5s2 5p3. It is in the p-block of the periodic table.
What is the electronegativity of Antimonio?
Antimonio has an electronegativity of 2.05 on the Pauling scale.