Yttrium-89 (Y-89)

Identity

Protons

39

Neutrons

50

Mass number

89

Mass

88.91 ± 0.36 u

Mass excess

-87.711 MeV

Spin

1/2-*

Stability

stable

Natural occurrence

100.00 % of yttrium

Produced by

• Sr-89
• Zr-89