Promethium Pm
Element 61 — a flow object, unreferenced by EF 3.1.
Identity
- Atomic number
- 61
- Symbol
- Pm
- Most abundant neutron number
- 84
- Flow object
- fo-bcf35ff3cbaadbfa
- Elementary flows
- 0
- PubChem
- https://pubchem.ncbi.nlm.nih.gov/element/61
Nuclides and ions
1 nuclides, 0 ionsA nuclide and an ion of an element are flow objects in their own right — Pm and each of the records below are separate substances, resolved separately and characterised separately. What holds them together is a statement on the child naming this element as its parent, which is why they are drawn under it rather than beside it.
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Nuclides 1
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Half life 2.6234 y ± 0.0002. Decay β-=100%. chemlin
56 further nuclides are known and are not in this list: they are too short-lived for an inventory to carry, and their absence is a decision rather than a gap.
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Nuclide detail
| Nuclide | Mass number | Half life | Decay modes | Bq/g |
|---|---|---|---|---|
| Promethium-147 | 147 | 2.6234 y ± 0.0002 | β-=100% | 3.4343e+13 |