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|
| 同位体核種 | 天然存在比 | 半減期 | 崩壊 | 崩壊後生成物 |
|---|---|---|---|---|
| 71Rb | ‐ | 陽子放射 | 70Kr | |
| 72Rb | ‐ | 陽子放射 | 71Kr | |
| 73Rb | ‐ | β+崩壊 | 73Kr | |
| 74Rb | ‐ | β+崩壊 | 74Kr | |
| 75Rb | ‐ | β+崩壊 | 75Kr | |
| 76Rb | ‐ | β+崩壊 | 76Kr | |
| 77Rb | ‐ | β+崩壊 | 77Kr | |
| 78Rb | ‐ | β+崩壊 | 78Kr | |
| 79Rb | ‐ | β+崩壊 | 79Kr | |
| 80Rb | ‐ | β+崩壊 | 80Kr | |
| 80mRb | ‐ | |||
| 81Rb | ‐ | β+崩壊 | 81Kr | |
| 81mRb | ‐ | IT崩壊 | 81Rb | |
| β+崩壊 | 81Kr | |||
| 82Rb | ‐ | β+崩壊 | 82Kr | |
| 82mRb | ‐ | β+崩壊 | 82Kr | |
| IT崩壊 | 82Rb | |||
| 83Rb | ‐ | 86.2日 | EC崩壊 | 83Kr |
| 84Rb | ‐ | 32.77日 | EC崩壊 | 84Kr |
| β+崩壊 | 84Kr | |||
| β−崩壊 | 84Sr | |||
| 84mRb | ‐ | |||
| 85Rb | 72.17% | 安定核種(中性子数48) | ||
| 86Rb | ‐ | 18.631日 | β−崩壊 | 86Sr |
| EC崩壊 | 86Kr | |||
| 87Rb | 27.83% | 475億年 | β−崩壊 | 87Sr |
| 88Rb | ‐ | β−崩壊 | 88Sr | |
| 89Rb | ‐ | β−崩壊 | 89Sr | |
| 90Rb | ‐ | β−崩壊 | 90Sr | |
| 91Rb | ‐ | β−崩壊 | 91Sr | |
| 92Rb | ‐ | β−崩壊 | 92Sr | |
| 93Rb | ‐ | β−崩壊 | 93Sr | |
| 94Rb | ‐ | β−崩壊 | 94Sr | |
| 95Rb | ‐ | β−崩壊 | 95Sr | |
| 96Rb | ‐ | β−崩壊 | 96Sr | |
| 97Rb | ‐ | β−崩壊 | 97Sr | |
| 98Rb | ‐ | β−崩壊 | 98Sr | |
| 99Rb | ‐ | β−崩壊 | 99Sr | |
| 100Rb | ‐ | β−崩壊 | 100Sr | |
| 101Rb | ‐ | β−崩壊 | 101Sr | |
| 102Rb | ‐ | β−崩壊 | 102Sr | |
| 103Rb | ‐ | β−崩壊 | 103Sr | |