3 Li Lithium 6,941 u

Lithium

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Período
2
Grupo
1
Bloque
s-bloque
Fase (STP)
Solid

Lithium is the lightest metal and the least dense solid element. It is widely used in rechargeable batteries and psychiatric medication.

Apariencia: Silvery-white

Propiedades físicas

Masa atómica 6.941 u
Densidad 0.534 g/cm³
Punto de fusión 180.5 °C
Punto de ebullición 1329.8 °C
Fase a STP Solid
Radio atómico 167.0 pm

Propiedades electrónicas

Electronegatividad 0.98
Energía de ionización 520.2 eV
Afinidad electrónica 59.6 eV
Electrones de valencia 1

Configuración electrónica

Configuración [He] 2s¹

Electron Shell Configuration

Lithium electron shell configuration Li 2e⁻ 1e⁻

Position in Periodic Table

Lithium position in the periodic table Li

Descubrimiento

Descubierto por: Johan August Arfwedson
Año: 1817

Compounds Containing Lithium

Más Metal Alcalino

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Frequently Asked Questions

What is Lithium?
Lithium (Li) is a chemical element with atomic number 3. It is a solid at standard temperature and pressure, classified as a metal alcalino.
What are the key properties of Lithium?
Lithium has an atomic mass of 6.941 u, density of 0.534 g/cm³, melting point of 180.5°C, boiling point of 1329.8°C.
What is the electron configuration of Lithium?
The electron configuration of Lithium is [He] 2s1. It is in the s-block of the periodic table.
Who discovered Lithium?
Lithium was discovered by Johan August Arfwedson in 1817.
What is the electronegativity of Lithium?
Lithium has an electronegativity of 0.98 on the Pauling scale.