At

Astatine-216

Protons (Z)

85

Neutrons (N)

131

Mass number

216

Half-Life

300.0 µs

Abundance

---

Mass

216.002 u

Mass Excess

2,257.0 keV

Spin

1-

Discovered

1948

Binding energy per nucleon

7,753 keV

Neutron separation energy

4,557 keV

Proton separation energy

4,490 keV

Decay Mode

Decay chain

Astatine-216Z 85 · N 131300.0 µs
α100%
β⁻64.046%
α100%