Which of the Following Statements About β⁺ Decay Are Correct

question 21

Multiple Choice

Which of the following statements about β⁺ decay are correct? (There may be more than one correct choice.) During β⁺ decay

• A) an orbital electron is captured by the nucleus.
• B) a proton is emitted from the nucleus.
• C) a neutron in the nucleus decays to a proton and an electron.
• D) a proton in the nucleus decays to a positron and a neutron.
• E) the atomic number Z of the isotope increases by one unit but the atomic weight A remains unchanged.

---

Definitions:

Arousal

A physiological and psychological state of being awake or reactive to stimuli.

Mental Resources

Cognitive capacities and energy available to an individual for executing tasks, processing information, and making decisions.

Kahneman

Daniel Kahneman is a psychologist known for his work on the psychology of judgment and decision-making, as well as behavioral economics, for which he was awarded the Nobel Prize in Economic Sciences.

Inattentional Blindness

The phenomenon where an individual fails to perceive an unexpected stimulus that is in plain sight, due to focusing attention on another task, event, or object.