Bi

Bismuth-212n

Protons (Z)

83

Neutrons (N)

129

Mass number

212

Half-Life

7.0 m

Abundance

---

Mass

211.993 u

Mass Excess

-6,639.0 keV

Spin

(18-)

Discovered

1978

Binding energy per nucleon

7,796 keV

Neutron separation energy

2,851 keV

Proton separation energy

3,435 keV

Decay Mode

Decay chain

Bismuth-212Z 83 · N 1297.0 m
β⁻
α100%