Mn

Manganese-56

Protons (Z)

25

Neutrons (N)

31

Mass number

56

Half-Life

2.58 h

Abundance

---

Mass

55.939 u

Mass Excess

-56,911.67 keV

Spin

3+

Discovered

1934

Binding energy per nucleon

8,738 keV

Neutron separation energy

7,270 keV

Proton separation energy

9,090 keV

Decay Mode

β⁻Iron-56100%

Decay chain

Manganese-56Z 25 · N 312.58 h
β⁻100%