25 Mn Manganese 54.938 u

Manganese

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주기
4
7
블록
d-블록
상 (표준 상태)
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.

외관: 은색 금속

물리적 성질

원자 질량 54.938 u
밀도 7.21 g/cm³
녹는점 1245.8 °C
끓는점 2060.8 °C
표준 상태에서의 상 Solid
원자 반지름 161.0 pm

전자적 성질

전기 음성도 1.55
이온화 에너지 717.3 eV
원자가 전자 7

전자 배치

배치 [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

발견

발견자: Johan Gottlieb Gahn
연도: 1774

Compounds Containing Manganese

더 많은 전이 금속

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 전이 금속.
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.