| 
| 91Zr | Half-life | Fermion, 40p 51n |  |  | Stable | Spin 5/2 Parity 1 | 
 This isotope is stable and thus has no decay products, so instead we show decay chains that lead down to it.
 | | Atomic Weight | 90.905645767 |  | Abundance | 11.22% |  | Mass Excess | -87.890402MeV |  | Binding Energy | 8.693257MeV |  | Magnetic Moment | -1.30362 μ |  | Quadrupole Moment | -0.206 | 
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