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Periodic table
›
erbium
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Er-170
Erbium-170 (Er-170)
Identity
Protons
68
Neutrons
102
Mass number
170
Mass
169.9 ± 1.5 u
Mass excess
-60.108 MeV
Spin
0+
Stability
stable
Natural occurrence
14.91 %
of erbium
Produced by
Tm-170
All isotopes of erbium