The Number of Radioactive Nuclei in a Particular Sample Decreases

question 61

Multiple Choice

The number of radioactive nuclei in a particular sample decreases to one-eighth of its original number in 9 days.What is the half-life of these nuclei?

• A)9/8 days
• B)2 days
• C)3 days
• D)8 days
• E)10 days

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Definitions:

Single Trait

A focus on one specific characteristic or quality that is thought to influence behavior or performance significantly in a particular context.

Intellectual Openness

The willingness to consider and engage with ideas and knowledge that differ from one's own perceptions and beliefs.

Self-motivation

Refers to the ability of an individual to initiate and persist at a task or goal without external encouragement or reward.

Emotional Intelligence

The ability to recognize, understand, and manage one's own emotions and the emotions of others in productive and empathetic ways.