# Inner electrons
153
# Outer electrons
98
# Protons
251
An-Isotope
98:251
Approval
Stats
BE - Actual
1875.10
BE - Nucleon
7470.50
Decay
A 100, SF
Element
Half Life
898 Y
Mass Actual
251.08
Mass Calculated
252.96
Mass H Norm
249.13
Stability