Platinum Has a Face-Centered Cubic Crystal Structure and a Density

question 110

Multiple Choice

Platinum has a face-centered cubic crystal structure and a density of 21.5 g/cm³. What is the radius of a platinum atom?

• A) 69 pm
• B) 98 pm
• C) 139 pm
• D) 196 pm
• E) 277 pm

---

Definitions:

Logrolling

The trading of votes by legislators to secure favorable outcomes on decisions concerning the provision of public goods and quasi-public goods.

Diminish

To decrease or make smaller in size, importance, or intensity.

Excludability

The characteristic displayed by those goods and services for which sellers are able to prevent nonbuyers from obtaining benefits.

Consuming

Consuming involves using up goods or services by purchasing, eating, or utilizing them to satisfy needs or wants.