Ytterbium-169 (Yb-169)

Identity

Protons

70

Neutrons

99

Mass number

169

Mass

168.94 ± 0.19 u

Mass excess

-60.376 MeV

Spin

7/2+*

Stability

Half-life: 32 days

Natural occurrence

Not found in nature

Decays to

• electron capture → Tm-169

Produced by

• Lu-169