The Half-Life of a Radioactive Isotope Is 1

question 159

Multiple Choice

The half-life of a radioactive isotope is 1.0 minute. In an experiment, the number of decay events was monitored in 1-minute intervals over a 5-minute period. What would you predict for the most likely observations if 50 decay events were observed in the first minute? In the second minute, ________ events were observed, and in the last minute, ________ events were observed.

• A)50; 50
• B)25; 3
• C)25; 25
• D)50; 100
• E)25; 13

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Definitions:

Decision Group

A group of individuals who come together to make decisions collectively, often with the aim of combining expertise for better outcomes.

Systematic Manner

An approach characterized by methodical and orderly procedures.

Equal Influence

The concept that all individuals or groups have the same level of power or impact in making decisions or shaping outcomes.

Role Conflict

A situation in which an individual faces competing expectations from different roles they are required to fulfill.