A Glass Container Holds Equal Numbers of Atoms of Phosphorus

question 26

Multiple Choice

A glass container holds equal numbers of atoms of phosphorus 30 with a half-life of 2.5 minutes and of nitrogen 13 with a half-life of 10 minutes. After 20 minutes the ratio of the number of nitrogen atoms remaining to the number of phosphorus atoms remaining is

• A) .
• B) .
• C) .
• D) 64.
• E) 256.

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Definitions:

Ideal Type

In sociology, a conceptual model that serves as a standard of comparison for empirical observations, developed by Max Weber.

General Sociological

Pertaining to the broad field of sociology, focusing on social behaviors, social structures, and patterns of relationships within society as a whole.

Structural

Pertains to the underlying and enduring patterns or configurations in social life that influence social actions and institutions.

Historical

Pertaining to the study or representation of past events.