The Isotope ¹⁸F Is Used in a Range of Radio

question 55

Multiple Choice

The isotope ¹⁸F is used in a range of radio imaging applications. It has a first-order rate constant, k, of 6.30  10^3 min^1. What is the half-life for ¹⁸F?

• A)159 min
• B)110 min
• C)9.10  10 ^{ 3} min
• D)2.34  10 ^{ 3} min
• E)1,743 min

---

Definitions:

Instrumental Aggression

Aggressive behavior used as a means to achieve a goal or gain something of value, rather than for the sake of aggression itself.

Verbal Aggression

involves expressing negative feelings or thoughts through words to attack or abuse someone else.

Psychopathic

Pertaining to a personality disorder characterized by persistent antisocial behavior, impaired empathy, and bold, disinhibited, and egotistical traits.

Undercontrolled

Describes a lack of restraint or an inability to regulate one’s emotions, impulses, or behaviors effectively.