Terbium-153 (Tb-153)

Identity

Protons

65

Neutrons

88

Mass number

153

Mass

152.9 ± 4.2 u

Mass excess

-71.314 MeV

Spin

5/2+*

Stability

Half-life: 2.34 days

Natural occurrence

Not found in nature

Decays to

• positron emission → Gd-153