Use the Following Table to Assist in Answering the Question

question 12

Multiple Choice

Use the following table to assist in answering the question below.
Nuclide
Half-Life
Uranium-238
4) 51 × 10⁹ years
Uranium-234
2) 48 × 10⁵ years
Thorium-230
8) 0 × 10⁴ years
Radium-226
1) 62 × 10³ years
Lead-210
20) 4 years
The rate constant for the decay of unstable nuclide X by alpha-particle emission is 1.17 × 10^-6 / day.What is the identity of X?

• A)radium-226
• B)thorium-230
• C)uranium-238
• D)uranium-234
• E)lead-210

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Definitions:

Social Identity Approach

A theoretical framework that explores how individuals perceive themselves and others within social contexts, focusing on the impact of group membership on behavior and attitudes.

Prototypical Group Member

An individual who embodies the most characteristic attributes or qualities of a certain group, often serving as a standard or model for the group.

Task Oriented

A task-oriented approach focuses on completing tasks and achieving goals efficiently, with primary attention on job performance and tasks at hand.

Relationship Oriented

An approach or behavior that prioritizes building and maintaining strong interpersonal relationships above other considerations.