25 Mn Manganese 54,938 u

Manganese

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Período
4
Grupo
7
Bloco
d-bloco
Fase (STP)
Solid

Manganese is a hard, brittle transition metal essential for steel production. It is also important in biological systems as a cofactor for many enzymes.

Aparência: Silvery metallic

Propriedades físicas

Massa atômica 54.938 u
Densidade 7.21 g/cm³
Ponto de fusão 1245.8 °C
Ponto de ebulição 2060.8 °C
Fase em STP Solid
Raio atômico 161.0 pm

Propriedades eletrônicas

Eletronegatividade 1.55
Energia de ionização 717.3 eV
Elétrons de valência 7

Configuração eletrônica

Configuração [Ar] 3d⁵ 4s²

Electron Shell Configuration

Manganese electron shell configuration Mn 2e⁻ 8e⁻ 13e⁻ 2e⁻

Position in Periodic Table

Manganese position in the periodic table Mn

Descoberta

Descoberto por: Johan Gottlieb Gahn
Ano: 1774

Compounds Containing Manganese

Mais Metal de Transição

Frequently Asked Questions

What is Manganese?
Manganese (Mn) is a chemical element with atomic number 25. It is a solid at standard temperature and pressure, classified as a metal de transição.
What are the key properties of Manganese?
Manganese has an atomic mass of 54.938 u, density of 7.21 g/cm³, melting point of 1245.8°C, boiling point of 2060.8°C.
What is the electron configuration of Manganese?
The electron configuration of Manganese is [Ar] 3d5 4s2. It is in the d-block of the periodic table.
Who discovered Manganese?
Manganese was discovered by Johan Gottlieb Gahn in 1774.
What is the electronegativity of Manganese?
Manganese has an electronegativity of 1.55 on the Pauling scale.