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The Atomic Radius of Magnesium Is 160 Pm

Question 61

Multiple Choice

The atomic radius of magnesium is 160 pm.Estimate its density,given that the metal has a close-packed structure.

A) 1.74 gcm^³
B) 0.435 gcm^³
C) 10.5 gcm^³
D) 4.45 gcm^³
E) 2.78 gcm^³

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