20 Ca Calcium 40,078 u

Calcium

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Período
4
Grupo
2
Bloque
s-bloque
Fase (STP)
Solid

Calcium is the most abundant metal in the human body. It is essential for bones, teeth, and cellular signaling.

Apariencia: Dull gray, silver

Propiedades físicas

Masa atómica 40.078 u
Densidad 1.55 g/cm³
Punto de fusión 841.9 °C
Punto de ebullición 1483.8 °C
Fase a STP Solid
Radio atómico 194.0 pm

Propiedades electrónicas

Electronegatividad 1.0
Energía de ionización 589.8 eV
Afinidad electrónica 2.37 eV
Electrones de valencia 2

Configuración electrónica

Configuración [Ar] 4s²

Electron Shell Configuration

Calcium electron shell configuration Ca 2e⁻ 8e⁻ 8e⁻ 2e⁻

Position in Periodic Table

Calcium position in the periodic table Ca

Descubrimiento

Descubierto por: Humphry Davy
Año: 1808

Compounds Containing Calcium

Más Metal Alcalinotérreo

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Frequently Asked Questions

What is Calcium?
Calcium (Ca) is a chemical element with atomic number 20. It is a solid at standard temperature and pressure, classified as a metal alcalinotérreo.
What are the key properties of Calcium?
Calcium has an atomic mass of 40.078 u, density of 1.55 g/cm³, melting point of 841.9°C, boiling point of 1483.8°C.
What is the electron configuration of Calcium?
The electron configuration of Calcium is [Ar] 4s2. It is in the s-block of the periodic table.
Who discovered Calcium?
Calcium was discovered by Humphry Davy in 1808.
What is the electronegativity of Calcium?
Calcium has an electronegativity of 1.0 on the Pauling scale.