A Disadvantage of Using Isotopes Such as ¹⁵O, ¹³N, and ¹¹C

question 11

Multiple Choice

A disadvantage of using isotopes such as ¹⁵O, ¹³N, and ¹¹C are their:

• A) long half-lives.
• B) short half-lives.
• C) long persistence.
• D) short persistence.

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Definitions:

Tall

Having a greater than average height.

Egocentrism

The psychological tendency to view the world from one's own perspective while having difficulty understanding other viewpoints.

Conservation

Conservation involves the protection, preservation, management, or restoration of natural environments, wildlife, and natural resources.

Preoperational

A stage in Piaget's theory of cognitive development, typically from ages 2 to 7, where children are unable to understand concrete logic and are instead focused on manipulation of symbols and language.