The Br-82 Nucleus Has a Half-Life of About 1 $\times$ 10³ Minutes

question 1

Multiple Choice

The Br-82 nucleus has a half-life of about 1.0 $\times$ 10³ minutes.If you wanted 2.2 g of Br-82 and the delivery time was three days,about how much NaBr should you order (assuming all of the Br in the NaBr was Br-82) ?

• A)2.2 g
• B)4.4 g
• C)4.0 g
• D)57 g
• E)7.8 g

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Definitions:

Consistency

The principle of maintaining uniformity or stability in one's beliefs, attitudes, and behaviors over time or across situations.

Kelley's Covariation Model

This model proposes that people attribute behavior to factors that covary most closely with, or appear to cause, that behavior, considering consensus, distinctiveness, and consistency information.

Consensus

A general agreement among a group of people or within a community, often reached after discussion and consideration of various perspectives.

Distinctiveness

the quality or condition of being clearly different or unique, setting someone or something apart from others.