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Average life

Term · Chemistry · MLC-T-CHM-001022

The mean lifetime of a radioactive atom before it undergoes decay. It is the reciprocal of the decay constant and is related to the half-life by a factor of approximately 1.443. This value represents the average time an individual nucleus of a particular radionuclide exists before transforming into another nucleus.

Table 1. Record
IdentifierMLC-T-CHM-001022
FieldChemistry
SubjectAnalytical Chemistry
ReferencesPAC, 1982, 54, 1533. 'Glossary of terms used in nuclear analytical chemistry (Provisional)' on page 1536 (https://doi.org/10.1351/pac198254081533)
See alsoAtom; Nucleus
Record as JSON 
{
  "id": "MLC-T-CHM-001022",
  "term": "Average life",
  "field": "Chemistry",
  "definition": "The mean lifetime of a radioactive atom before it undergoes decay. It is the reciprocal of the decay constant and is related to the half-life by a factor of approximately 1.443. This value represents the average time an individual nucleus of a particular radionuclide exists before transforming into another nucleus.",
  "subject": "Analytical Chemistry",
  "see_also": [
    "atom",
    "nucleus"
  ],
  "references": [
    "PAC, 1982, 54, 1533. 'Glossary of terms used in nuclear analytical chemistry (Provisional)' on page 1536 (https://doi.org/10.1351/pac198254081533)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/average-life/"
}

Record 1,100 of 13,676 in Chemistry terminology (MLC-0109). Request the full dataset.