Radioactivity: the Stability of Fe with Respect to Alpha

question 45

Multiple Choice

Radioactivity: The stability of Fe with respect to alpha, β⁺, and β^- decay is to be determined. Do not consider the possibility of decay by electron capture. The following atomic masses are known: He: 4.002603 u Cr: 51.944768 u Mn: 55.938907 u Fe: 55.934939 u Co: 55.939841 u The Fe nuclide is

• A) not subject to alpha, β⁺, or β^- decay.
• B) subject to alpha decay only.
• C) subject to β⁺decay only.
• D) subject to β^- decay only.
• E) subject to β⁺ or β^- decay, but not to alpha decay.

---

Definitions:

Psychiatric Services

Medical services that focus on diagnosing, treating, and preventing mental health disorders, often involving both medication and psychotherapy.

Transtheoretical Model

A psychological model that outlines stages of change individuals go through in modifying behavior.

Progression

The process of developing or moving forward towards a more advanced state.

Stages

Sequential phases or levels that represent progress or development in a process or a series of events, often used to describe disease progression or life cycles.