Mother Nuclide
| Formula / Notation | Mother nuclide: parent before decay; e.g., ⁹⁹Mo(mother) → ⁹⁹mTc(daughter) |
|---|---|
| Also Known As | Parent nuclide, precursor nuclide, mother isotope, parent isotope |
What is Mother Nuclide?
The initial radioactive isotope (parent nuclide) that undergoes radioactive decay to produce a daughter nuclide. For example, uranium-238 is the mother nuclide that decays through a series of steps to eventually produce stable lead-206.
Formula & Notation
Other Names / Synonyms: Parent nuclide, precursor nuclide, mother isotope, parent isotope
Properties & Characteristics
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
The initial radioactive isotope (parent nuclide) that undergoes radioactive decay to produce a daughter nuclide. For example, uranium-238 is the mother nuclide that decays through a series of steps to eventually produce stable lead-206.
Understanding mother-daughter nuclide relationships is important in: nuclear medicine (generator systems: ⁹⁹Mo → ⁹⁹ᵐTc, where Mo is the mother and Tc is the daughter used in scanning), radiometric dating (uranium decay series → lead), nuclear forensics, and management of radioactive waste from nucle…
Mother nuclides in decay series can produce daughters that are different chemical elements — with different biological behaviour and hazards. ²²²Rn (radon, daughter of ²²⁶Ra in the uranium series) is a radioactive noble gas that accumulates in buildings and is a lung cancer risk from alpha exposure.
The formula or notation for Mother Nuclide is: Mother nuclide: parent before decay; e.g., ⁹⁹Mo(mother) → ⁹⁹mTc(daughter)