24 Cr Chromium 51,996 u

Chromium

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Período
4
Grupo
6
Bloco
d-bloco
Fase (STP)
Solid

Chromium is a hard, lustrous transition metal prized for its mirror finish. It is essential in stainless steel production and chrome plating.

Aparência: Silvery metallic

Propriedades físicas

Massa atômica 51.996 u
Densidade 7.15 g/cm³
Ponto de fusão 1906.8 °C
Ponto de ebulição 2670.8 °C
Fase em STP Solid
Raio atômico 166.0 pm

Propriedades eletrônicas

Eletronegatividade 1.66
Energia de ionização 652.9 eV
Afinidade eletrônica 64.3 eV
Elétrons de valência 6

Configuração eletrônica

Configuração [Ar] 3d⁵ 4s¹

Electron Shell Configuration

Chromium electron shell configuration Cr 2e⁻ 8e⁻ 13e⁻ 1e⁻

Position in Periodic Table

Chromium position in the periodic table Cr

Descoberta

Descoberto por: Louis Nicolas Vauquelin
Ano: 1797

Compounds Containing Chromium

Mais Metal de Transição

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Frequently Asked Questions

What is Chromium?
Chromium (Cr) is a chemical element with atomic number 24. It is a solid at standard temperature and pressure, classified as a metal de transição.
What are the key properties of Chromium?
Chromium has an atomic mass of 51.996 u, density of 7.15 g/cm³, melting point of 1906.8°C, boiling point of 2670.8°C.
What is the electron configuration of Chromium?
The electron configuration of Chromium is [Ar] 3d5 4s1. It is in the d-block of the periodic table.
Who discovered Chromium?
Chromium was discovered by Louis Nicolas Vauquelin in 1797.
What is the electronegativity of Chromium?
Chromium has an electronegativity of 1.66 on the Pauling scale.