Details : Item 215

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Alkali metals
Alkaline earth metal
Transition metals I
Transition metals II
Transition metals III
Transition metals IV
Post-transition metal
Metalloid
Diatomic non-metal
Noble gas
Other

Famille : Transition metals II/4
Manganese
Symbol: Mn, phase: solid, silvery metallic
Properties
Atomic number25
Atomic weight54.938044
Melting point (K)1519
Boiling point (K)2334
Speed of sound (m/s)5150
Discovery1770 (T. O. Bergman)