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15-02-2024
Chemistry

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A certain solid metallic element has a density of 7.87 g/cm³ and a molar mass of 55.85 g/mol. It crystallizes in one of the cubic unit cells with an edge length of 286.7 pm. Calculate the number of atoms per unit cell.
1) 1
2) 2
3) 3
4) 4
5) 6

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