At
Astatine-224
Protons (Z)
85
Neutrons (N)
139
Mass number
224
Half-Life
2.5 m
Abundance
---
Mass
224.03 u
Mass Excess
27,711.0 keV
Spin
(2+)
Discovered
2010
Binding energy per nucleon
7,651 keV
Neutron separation energy
3,788 keV
Proton separation energy
6,658 keV
Decay Mode
- β⁻→Radon-224100%
Decay chain
- AtAstatine-224Z 85 · N 1392.5 m
- β⁻100%
- β⁻100%
- β⁻100%
- α~100%
- α100%
- α100%
- β⁻100%
- β⁻64.046%
- α100%