The atomic radius of aluminum is 143 pm.Estimate its density,given that the metal has a close-packed structure.
A) 3.87 g.cm-3
B) 5.54 g.cm-3
C) 7.92 g.cm-3
D) 16.3 g.cm-3
E) 2.71 g.cm-3
Correct Answer:
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