At

Astatine-211

Protons (Z)

85

Neutrons (N)

126

Mass number

211

Half-Life

7.21 h

Abundance

---

Mass

210.987 u

Mass Excess

-11,647.2 keV

Spin

9/2-

Discovered

1940

Binding energy per nucleon

7,811 keV

Neutron separation energy

7,747 keV

Proton separation energy

2,983 keV

Decay Mode

Decay chain

Astatine-211Z 85 · N 1267.21 h
EC58.2%
α100%