All chemical elements

Symbol

Mn

Atomic number

25

Chemical property

Transition metal

Origin o the name

corrupted from magnesia negra, see Magnesium

Group

7

Period

4

Atomic weight (u)

54.938044

Atomic weight uncertainty (u)

0.000003

Density (g/cm³)

7.44

Melting point (K)

1519

Boiling point (K)

2334

Heat capacity (J/(g·K))

0.479

Electro-negativity

1.55

Abundance in earth's crust (mg/kg)

950