25
Mn
Manganese
54,938 u
Manganese
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Chu kỳ
4
Nhóm
7
Khối
d-khối
Pha (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.
Ngoại quan: Silvery metallic
Compounds Containing Manganese
Thêm Kim Loại Chuyển Tiếp
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 kim loại chuyển tiếp.
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.