Thorium-234 (Th-234)

Identity

Protons

90

Neutrons

144

Mass number

234

Mass

234.0 ± 2.8 u

Mass excess

40.613 MeV

Spin

0+

Stability

Half-life: 24.1 days

Natural occurrence

Not found in nature

Decays to

• beta minus → Pa-234 (no page)

Produced by

• U-238