The Isotopes of Promethium, and Are Unstable, and Lie

question 64

Multiple Choice

The isotopes of promethium, and are unstable, and lie on opposite sides of the "line of stability". Which of the following combinations is most likely to represent the type of decay for these isotopes?

• A)Promethium-144, β decay; Promethium-134, positron decay
• B)Promethium-144, positron decay; Promethium-134, β decay
• C)Promethium-144, positron decay; Promethium-134, electron capture
• D)Promethium-144, electron capture; Promethium-134, positron decay
• E)Promethium-144, β decay; Promethium-134, γ decay

Comprehend the limitations of the case study method.

Grasp the concept of descriptive/correlational methods and when they are used.

Know observational techniques and their context of use.

Critically analyze the use of surveys for gathering data.

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Definitions:

Unconditioned Stimulus

In classical conditioning, a stimulus that naturally and automatically triggers a response without any prior learning.

Observational Learning

A form of learning that occurs through observing the behavior of others, often as a model, and the consequences of that behavior.

Vans

A type of vehicle designed for transporting goods or people, characterized by its large boxy shape and ample interior space.

Nikes

A brand of athletic shoes and apparel, known for its swoosh logo and association with sports and fitness.