15 P Phosphorus 30,974 u

Phosphorus

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Período
3
Grupo
15
Bloque
p-bloque
Fase (STP)
Solid

Phosphorus is essential for life, found in DNA, RNA, and ATP. It exists in several allotropic forms including white and red phosphorus.

Apariencia: Waxy white (white phosphorus)

Propiedades físicas

Masa atómica 30.974 u
Densidad 1.82 g/cm³
Punto de fusión 44.2 °C
Punto de ebullición 280.6 °C
Fase a STP Solid
Radio atómico 98.0 pm

Propiedades electrónicas

Electronegatividad 2.19
Energía de ionización 1011.8 eV
Afinidad electrónica 72.0 eV
Electrones de valencia 5

Configuración electrónica

Configuración [Ne] 3s² 3p³

Electron Shell Configuration

Phosphorus electron shell configuration P 2e⁻ 8e⁻ 5e⁻

Position in Periodic Table

Phosphorus position in the periodic table P

Descubrimiento

Descubierto por: Hennig Brand
Año: 1669

Compounds Containing Phosphorus

Más No Metal

Frequently Asked Questions

What is Phosphorus?
Phosphorus (P) is a chemical element with atomic number 15. It is a solid at standard temperature and pressure, classified as a no metal.
What are the key properties of Phosphorus?
Phosphorus has an atomic mass of 30.974 u, density of 1.82 g/cm³, melting point of 44.2°C, boiling point of 280.6°C.
What is the electron configuration of Phosphorus?
The electron configuration of Phosphorus is [Ne] 3s2 3p3. It is in the p-block of the periodic table.
Who discovered Phosphorus?
Phosphorus was discovered by Hennig Brand in 1669.
What is the electronegativity of Phosphorus?
Phosphorus has an electronegativity of 2.19 on the Pauling scale.