Xenon-131 (Xe-131)

Identity

Protons

54

Neutrons

77

Mass number

131

Mass

130.9051 ± 0.0055 u

Mass excess

-88.414 MeV

Spin

3/2+*

Stability

stable

Natural occurrence

21.23 % of xenon

Produced by

• I-131
• Cs-131