A Radioisotope Decays, Producing an Alpha Particle and Th-234

question 57

Multiple Choice

A radioisotope decays, producing an alpha particle and Th-234. The original radioisotope must have been an atom of ________.

• A) Pa
• B) Bi
• C) U
• D) Ra
• E) Rb

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Definitions:

Equal Status

A state or condition in which all participants or groups in a given situation are given the same rights, opportunities, and respect.

Social-Responsibility Norm

A societal expectation that people should help those who are dependent upon them or in need, fostering a sense of community and welfare.

Ingroup Bias

The tendency to favor and extend more positive judgments or treatment to members of one's own group over those outside the group.

Just-World Phenomenon

The cognitive bias to believe that the world is fundamentally fair, leading to attributing consequences to actions on a moral basis.