12 Mg Magnesium 24,305 u

Magnesium

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Período
3
Grupo
2
Bloque
s-bloque
Fase (STP)
Solid

Magnesium is a lightweight alkaline earth metal essential for living cells. It burns with a bright white flame and is used in alloys and fireworks.

Apariencia: Shiny grey solid

Propiedades físicas

Masa atómica 24.305 u
Densidad 1.738 g/cm³
Punto de fusión 649.9 °C
Punto de ebullición 1089.8 °C
Fase a STP Solid
Radio atómico 145.0 pm

Propiedades electrónicas

Electronegatividad 1.31
Energía de ionización 737.7 eV
Electrones de valencia 2

Configuración electrónica

Configuración [Ne] 3s²

Electron Shell Configuration

Magnesium electron shell configuration Mg 2e⁻ 8e⁻ 2e⁻

Position in Periodic Table

Magnesium position in the periodic table Mg

Descubrimiento

Descubierto por: Joseph Black
Año: 1755

Compounds Containing Magnesium

Más Metal Alcalinotérreo

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Frequently Asked Questions

What is Magnesium?
Magnesium (Mg) is a chemical element with atomic number 12. It is a solid at standard temperature and pressure, classified as a metal alcalinotérreo.
What are the key properties of Magnesium?
Magnesium has an atomic mass of 24.305 u, density of 1.738 g/cm³, melting point of 649.9°C, boiling point of 1089.8°C.
What is the electron configuration of Magnesium?
The electron configuration of Magnesium is [Ne] 3s2. It is in the s-block of the periodic table.
Who discovered Magnesium?
Magnesium was discovered by Joseph Black in 1755.
What is the electronegativity of Magnesium?
Magnesium has an electronegativity of 1.31 on the Pauling scale.