What is the volume of an iron atom

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Reference no: EM1360122

Q. 1- Iron has a density of 7.87 g/cm3 and the mass of an iron atom is 8.20 x 10-26 Kg. If the atoms are spherical and tightly packed, what is the volume of an iron atom?

2- Two girders are made of the same material. Girder A is 5.5 times as long as girder B and has a cross-sectional area that is 8.9 times as great. What is the ratio of the mass density of girder A to the mass density of girder B.

Reference no: EM1360122

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