Which of the Following Statements About Radioisotopes Is False

question 18

Multiple Choice

Which of the following statements about radioisotopes is false?

• A) The half-life of a radioisotope does not vary with temperature or pressure.
• B) Carbon-14 is typically used to date the rocks in which fossils are found.
• C) The ratio of carbon-14 to carbon-12 is used in dating fossils.
• D) Potassium-40 has an extremely long half-life.
• E) The nucleus of a radioisotope can change into that of a different element during decay.

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Definitions:

Prevention Focus

A psychological orientation that emphasizes the avoidance of negative outcomes and errors, leading individuals to adhere to rules and responsibilities.

Need For Cognition

A personality trait reflecting the enjoyment or engagement with thinking, problem-solving, and understanding complex ideas.

Self-Monitoring

The awareness and regulation of one's behavior in accordance with the social situations and cues.

Attitude Inoculation

A psychological technique that strengthens an individual's attitudes or beliefs by exposing them to small doses of counterarguments, thereby making them more resistant to future challenges or attacks.