Periodic table

Dysprosium-154 (Dy-154)

Identity

Protons
66
Neutrons
88
Mass number
154
Mass
153.9 ± 8.0 u
Mass excess
-70.394 MeV
Spin
0+

Stability

Half-life: 3.00 × 10⁶ years

Natural occurrence

Not found in nature

Decays to

All isotopes of dysprosium