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

---

Definitions:

Organizational Communication

The process by which individuals within an organization share information and collaborate towards common goals.

E-mail

A method of sending messages and information electronically via a computer network.

Continuous Loop

A process or sequence of operations that repeats continuously without coming to an end.

Blog Problems

Issues or challenges faced by bloggers, including content creation, audience engagement, and technical difficulties.