| |||
| parent; parent atom; parent nucleus | |||
| precursor | |||
| nuclear parent; radioactive parent (head of a radioactive series) | |||
| radioactive precursor; parent (any preceding nuclide in a decay chain) | |||
| parent nuclide | |||
| |||
| parent; parent atom; parent nucleus | |||
| precursor | |||
| nuclear parent; radioactive parent (head of a radioactive series) | |||
| radioactive precursor; parent (any preceding nuclide in a decay chain) | |||
| parent nuclide | |||
