# Inner electrons
153
# Outer electrons
99
# Protons
252
An-Isotope
99:252
Approval
Stats
BE - Actual
1879.22
BE - Nucleon
7457.24
Decay
A 78, EC 22
Element
Half Life
471.7 d
Mass Actual
252.08
Mass Calculated
253.97
Mass H Norm
250.13
Stability