At

Astatine-212n

Protons (Z)

85

Neutrons (N)

127

Mass number

212

Half-Life

152.0 µs

Abundance

---

Mass

211.996 u

Mass Excess

-3,856.7 keV

Spin

(25-)

Discovered

1998

Binding energy per nucleon

7,776 keV

Neutron separation energy

281 keV

Proton separation energy

-1,287 keV

Decay Mode

γAstatine-212100%

Decay chain

Astatine-212Z 85 · N 127152.0 µs
γ100%
α100%
β⁺100%