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HOME > Protocols > Reference Material > Periodic Table > Manganese
Manganese

Atomic Number: 25

Name: Manganese

Atomic symbol: Mn

Atomic Weight: 54.9380

Electron configuration: 1s22s22p63s23p63d54s2

Ionization energies: 717 kJ/mol

Pauling electronegativity: 1.5

Melting Point: 1244oC

Boiling Point: 1962oC

Hardness (Mohs scale): 5.0

Density: 7.2 g/cm3

Covalent radius: 1.17 angstroms

Ionic radius: 0.81 angstroms (+2); 0.66 angstroms (+3); 0.60 angstroms (+4); 0.46 angstroms (+7)

Common oxidation states in compounds: +2, +4, +7

Previous: Atomic Number 24 - Chromium


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