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Determine the Radius of an Al Atom (In Pm) If 22r 2 \sqrt{2} r

Question 84

Multiple Choice

Determine the radius of an Al atom (in pm) if the density of aluminum is 2.71 g cm-3. Aluminum crystallizes in a face-centred cubic structure with an edge length of 22r 2 \sqrt{2} r .


A) 143 pm
B) 227 pm
C) 96 pm
D) 172 pm
E) 193 pm

Correct Answer:

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