3 Li Lithium 6,941 u

Lithium

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Periode
2
Gruppe
1
Block
s-Block
Phase (STP)
Solid

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

Erscheinungsbild: Silvery-white

Physikalische Eigenschaften

Atommasse 6.941 u
Dichte 0.534 g/cm³
Schmelzpunkt 180.5 °C
Siedepunkt 1329.8 °C
Phase bei STP Solid
Atomradius 167.0 pm

Elektronische Eigenschaften

Elektronegativität 0.98
Ionisierungsenergie 520.2 eV
Elektronenaffinität 59.6 eV
Valenzelektronen 1

Elektronenkonfiguration

Konfiguration [He] 2s¹

Electron Shell Configuration

Lithium electron shell configuration Li 2e⁻ 1e⁻

Position in Periodic Table

Lithium position in the periodic table Li

Entdeckung

Entdeckt von: Johan August Arfwedson
Jahr: 1817

Compounds Containing Lithium

Mehr Alkalimetall

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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 alkalimetall.
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.