Question: Question 18 (4 points) An element forms a body-centered cubic crystalline substance. The edge length of the unit cell is 287 pm and the density

Question 18 (4 points) An element forms a body-centered cubic crystalline substance. The edge length of the unit cell is 287 pm and the density of the crystal is 7.92 g/cm3. Calculate the atomic weight of the substance. 63.5 amu O 56.4 amu 45.0 amu 48.0 amu

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