84 Po Polonio 209,0 u

Polonio

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Período
6
Grupo
16
Bloque
p-bloque
Fase (STP)
Solid

El polonio es un elemento raro y muy radiactivo descubierto por Marie Curie. Se ha empleado como fuente de calor en satélites espaciales.

Acerca de Polonio

Marie Curie identified polonium during her investigation of radioactive residues, and it remains among the rarest constituents of the crust. Its atomic number is 84, its relative atomic mass 209.0, and its configuration [Xe] 4f14 5d10 6s2 6p4 places it in group 16 of period 6 with an electronegativity of 2.0. It is a solid at standard temperature and pressure and is grouped with the post-transition metals. Intense radioactivity dominates every practical aspect of its handling. That same property has been turned to use: the decay heat of polonium has served as a compact thermal source aboard space satellites, where a small mass can sustain equipment temperature without any moving parts.

Propiedades físicas

Masa atómica 209.0 u
Fase a STP Solid

Propiedades electrónicas

Electronegatividad 2.0

Configuración electrónica

Configuración [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p⁴

Configuración de capas electrónicas

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

Posición en la tabla periódica

Posición de Polonio en la tabla periódica Po

Bloque y período

Bloque

s p d f

Período

1 2 3 4 5 6 7

Tabla Periódica

Lantánidos Actínidos

Reacciones con Po

Desintegración alfa de polonio-210

²¹⁰Po → ²⁰⁶Pb + ⁴He

Nuclear

Desintegración alfa de radón-222

²²²Rn → ²¹⁸Po + ⁴He

Nuclear

Más Metal Post-Transición

13 Al Aluminio 31 Ga Galio 49 In Indio 50 Sn Estaño 81 Tl Talio 82 Pb Plomo 83 Bi Bismuto

Frequently Asked Questions

What is Polonio?
Polonio (Po) is a chemical element with atomic number 84. It is a solid at standard temperature and pressure, classified as a metal post-transición.
What are the key properties of Polonio?
Polonio has an atomic mass of 209.0 u.
What is the electron configuration of Polonio?
The electron configuration of Polonio is [Xe] 4f14 5d10 6s2 6p4. It is in the p-block of the periodic table.
What is the electronegativity of Polonio?
Polonio has an electronegativity of 2.0 on the Pauling scale.