Mn

Manganese-46

Protons (Z)

25

Neutrons (N)

21

Mass number

46

Half-Life

36.2 ms

Abundance

---

Mass

45.987 u

Mass Excess

-12,420.0 keV

Spin

(4+)

Discovered

1987

Binding energy per nucleon

7,916 keV

Neutron separation energy

15,511 keV

Proton separation energy

199 keV

Decay Mode

Decay chain

Manganese-46Z 25 · N 2136.2 ms
β⁺p57%
β⁺100%
β⁺100%