Potassium Crystallizes in a Body-Centered Cubic Unit Cell

question 19

Multiple Choice

Potassium crystallizes in a body-centered cubic unit cell.If the length of an edge of the unit cell is 524 pm,what is the atomic radius (in pm) of a potassium atom?

• A) 151 pm
• B) 185 pm
• C) 227 pm
• D) 262 pm
• E) 371 pm

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