25 Mn Manganese 54.938 u

Manganese

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周期
4
7
ブロック
d-ブロック
相 (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.

外観: 銀色の金属

物理的特性

原子質量 54.938 u
密度 7.21 g/cm³
融点 1245.8 °C
沸点 2060.8 °C
STPにおける相 Solid
原子半径 161.0 pm

電子的特性

電気陰性度 1.55
イオン化エネルギー 717.3 eV
価電子 7

電子配置

配置 [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

発見

発見者: Johan Gottlieb Gahn
年: 1774

Compounds Containing Manganese

遷移金属 をもっと見る

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 遷移金属.
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.