Holmium-166 (Ho-166)

Identity

Protons

67

Neutrons

99

Mass number

166

Mass

165.93 ± 0.84 u

Mass excess

-63.070 MeV

Spin

0-*

Stability

Half-life: 1.12 days

Natural occurrence

Not found in nature

Decays to

• beta minus → Er-166

Produced by

• Dy-166