Platinum Crystallizes with a Face-Centered Cubic Unit Cell

question 29

Multiple Choice

Platinum crystallizes with a face-centered cubic unit cell.If the edge length of the unit cell is 393 pm,what is the radius of a platinum atom in picometers?

• A)139 pm
• B)556 pm
• C)1110 pm
• D)321 pm
• E)49.1 pm

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