3 Li Lithium 6,941 u

Lithium

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Período
2
Grupo
1
Bloco
s-bloco
Fase (STP)
Solid

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

Aparência: Branco prateado

Propriedades físicas

Massa atômica 6.941 u
Densidade 0.534 g/cm³
Ponto de fusão 180.5 °C
Ponto de ebulição 1329.8 °C
Fase em STP Solid
Raio atômico 167.0 pm

Propriedades eletrônicas

Eletronegatividade 0.98
Energia de ionização 520.2 eV
Afinidade eletrônica 59.6 eV
Elétrons de valência 1

Configuração eletrônica

Configuração [He] 2s¹

Electron Shell Configuration

Lithium electron shell configuration Li 2e⁻ 1e⁻

Position in Periodic Table

Lithium position in the periodic table Li

Descoberta

Descoberto por: Johan August Arfwedson
Ano: 1817

Compounds Containing Lithium

Mais 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.