At

Astatine-210n

Protons (Z)

85

Neutrons (N)

125

Mass number

210

Half-Life

5.66 µs

Abundance

---

Mass

209.991 u

Mass Excess

-7,944.0 keV

Spin

(19+)

Discovered

1975

Binding energy per nucleon

7,792 keV

Neutron separation energy

3,131 keV

Proton separation energy

-1,133 keV

Decay Mode

γAstatine-210100%

Decay chain

Astatine-210Z 85 · N 1255.66 µs
γ100%
β⁺99.825%
α100%