How Is the Half-Life of a Radioactive Parent Isotope Defined

question 21

Multiple Choice

How is the half-life of a radioactive parent isotope defined?

• A)the time it takes for half of the parent isotope to decay to daughter isotope
• B)half the time it takes for the parent isotope to completely decay to daughter isotopes
• C)the time for parent isotopes to undergo half the decay steps to produce a daughter isotope
• D)half of the average rate of decay of the parent isotope

---

Definitions:

Attorney

A professional who is qualified to offer advice about the law or represent someone in legal matters.

Age at Retirement

The specific age at which an individual ceases full-time work and formally enters retirement, varying by personal choice, company policy, or statutory requirements.

Joint Frequency Distribution

A statistical method that shows the frequency of two variables occurring simultaneously within a dataset, often visualized in a table format.

Longest Run

The longest sequence of consecutive occurrences of a given outcome in a series of trials or observations.