11 Na Sodium 22,99 u

Sodium

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Período
3
Grupo
1
Bloque
s-bloque
Fase (STP)
Solid

Sodium is a highly reactive alkali metal essential for biological function. Its compound sodium chloride (table salt) is vital for life.

Apariencia: Silvery-white metallic

Propiedades físicas

Masa atómica 22.99 u
Densidad 0.971 g/cm³
Punto de fusión 97.8 °C
Punto de ebullición 882.9 °C
Fase a STP Solid
Radio atómico 190.0 pm

Propiedades electrónicas

Electronegatividad 0.93
Energía de ionización 495.8 eV
Afinidad electrónica 52.8 eV
Electrones de valencia 1

Configuración electrónica

Configuración [Ne] 3s¹

Electron Shell Configuration

Sodium electron shell configuration Na 2e⁻ 8e⁻ 1e⁻

Position in Periodic Table

Sodium position in the periodic table Na

Descubrimiento

Descubierto por: Humphry Davy
Año: 1807

Compounds Containing Sodium

Más Metal Alcalino

Frequently Asked Questions

What is Sodium?
Sodium (Na) is a chemical element with atomic number 11. It is a solid at standard temperature and pressure, classified as a metal alcalino.
What are the key properties of Sodium?
Sodium has an atomic mass of 22.99 u, density of 0.971 g/cm³, melting point of 97.8°C, boiling point of 882.9°C.
What is the electron configuration of Sodium?
The electron configuration of Sodium is [Ne] 3s1. It is in the s-block of the periodic table.
Who discovered Sodium?
Sodium was discovered by Humphry Davy in 1807.
What is the electronegativity of Sodium?
Sodium has an electronegativity of 0.93 on the Pauling scale.