A Tiny Speck (8

question 102

Multiple Choice

A tiny speck (8.3 10^-7 mol) of radioactive americium-241 is used in smoke detectors. How many atoms of americium-241 are there in one of these smoke detectors?

• A)5.0 10¹⁷
• B)1.2 10²⁰
• C)2.9 10²²
• D)6.0 10²³
• E)8.3 10⁷

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Definitions:

Causal Force

An influence that can lead to changes or directly impact the outcome in a cause-and-effect relationship.

Psychological Significance

The importance or meaning of an event, experience, or behavior in terms of its impact on an individual's psychological state.

Expensive

Involving a high cost or requiring considerable expenditure of resources.

Natural B Data

Behavioral data collected from real-world settings, as opposed to controlled laboratory conditions, ensuring the authenticity and ecological validity of observations.