Elemental Magnesium Crystallizes in a Face-Centered Cubic Lattice

question 30

Multiple Choice

Elemental magnesium crystallizes in a face-centered cubic lattice. The density of magnesium is 1.738 g/cm³. The unit cell length is 4.80  10² pm. What is the atomic radius of Mg?

• A) 340 pm
• B) 215 pm
• C) 242 pm
• D) 126 pm
• E) 170 pm

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