# Inner electrons
81
# Outer electrons
57
# Protons
138
Abundance
0.09
An-Isotope
57:138
Approval
Stats
BE - Actual
1155.77
BE - Nucleon
8375.12
BE - SAM Lines
0.00
BE - SAM Lines %
0.00
BE - SAM Nuclets %
0.00
Decay
EC+B+ 65.5, B- 34.5
Element
Half Life
103000000000 Y
Magnetic Dipole
3.71
Mass Actual
137.91
Mass Calculated
139.08
Mass H Norm
136.84
Stability