Calculate the radius of a tin metal sphere (d=7.31 g/cm³) that contains 9.31x10²² tin atoms. Recall the formula for the volume of a sphere is 4πr³/3.

• A. 0.843 cm
• B. 0.599 cm
• C. 0.155 cm
• D. 0.0211 cm

Answer: (A)