Thulium-169 (Tm-169)

Identity

Protons

69

Neutrons

100

Mass number

169

Mass

168.93 ± 0.79 u

Mass excess

-61.275 MeV

Spin

1/2+*

Stability

stable

Natural occurrence

100.00 % of thulium

Produced by

• Er-169
• Yb-169