A Certain Radioactive Isotope Decays to One Fourth of Its

question 14

Multiple Choice

A certain radioactive isotope decays to one fourth of its original amount in 4.0 hours.What is its half life?

• A)1.4 hours
• B)2.0 hours
• C)2.5 hours
• D)3.4 hours

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Definitions:

Job Mobility

The ability of workers to change jobs, often relating to career advancement opportunities.

Uncertainty Avoidance

A cultural dimension that describes the extent to which people in a society are uncomfortable with ambiguity and uncertainty.

Ambiguity

The quality of being open to more than one interpretation; lack of definiteness or certainty.

Unpredictability

The quality of being unable to be predicted or foreseen, often leading to uncertainty or instability in various contexts.