59 Pr Praseodimio 140,91 u

Praseodimio

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Período
6
Grupo
—
Bloque
f-bloque
Fase (STP)
Solid

El praseodimio es un lantánido blando que da al vidrio un característico color verde. Se usa en imanes, láseres y motores de aviación.

Acerca de Praseodimio

Praseodymium (Pr) is a soft, silvery lanthanide, element 59, in period 6 of the f-block. It has an atomic mass of 140.91, the electron configuration [Xe] 4f³ 6s², and a Pauling electronegativity of 1.13. The element imparts a distinctive green color to glass and enamels. Praseodymium also strengthens high-performance permanent magnets, contributes to solid-state lasers, and reinforces the magnesium alloys used in aircraft engines. Solid at standard conditions, it adopts the +3 oxidation state common to the lanthanides and slowly develops an oxide layer in air.

Propiedades físicas

Masa atómica 140.91 u
Fase a STP Solid

Propiedades electrónicas

Electronegatividad 1.13

Configuración electrónica

Configuración [Xe] 4f³ 6s²

Configuración de capas electrónicas

Configuración de capas electrónicas de Praseodimio Pr 2e⁻ 8e⁻ 18e⁻ 21e⁻ 8e⁻ 2e⁻
Estructura de capas electrónicas de Praseodimio: electrones por capa.
Capa Electrones
1 (K) 2
2 (L) 8
3 (M) 18
4 (N) 21
5 (O) 8
6 (P) 2

Posición en la tabla periódica

Posición de Praseodimio en la tabla periódica Pr

Bloque y período

Bloque

s p d f

Período

1 2 3 4 5 6 7

Tabla Periódica

Lantánidos Actínidos

Más Lantánido

57 La Lantano 58 Ce Cerio 60 Nd Neodimio 61 Pm Prometio 62 Sm Samario 63 Eu Europio 64 Gd Gadolinio 65 Tb Terbio 66 Dy Disprosio 67 Ho Holmio

Frequently Asked Questions

What is Praseodimio?
Praseodimio (Pr) is a chemical element with atomic number 59. It is a solid at standard temperature and pressure, classified as a lantánido.
What are the key properties of Praseodimio?
Praseodimio has an atomic mass of 140.91 u.
What is the electron configuration of Praseodimio?
The electron configuration of Praseodimio is [Xe] 4f3 6s2. It is in the f-block of the periodic table.
What is the electronegativity of Praseodimio?
Praseodimio has an electronegativity of 1.13 on the Pauling scale.