Cerium-143 (Ce-143)

Identity

Protons

58

Neutrons

85

Mass number

143

Mass

142.9 ± 2.6 u

Mass excess

-81.606 MeV

Spin

3/2-*

Stability

Half-life: 1.38 days

Natural occurrence

Not found in nature

Decays to

• beta minus → Pr-143