In Comparing the Density of Bronze Composed of 20% Tin

question 85

Multiple Choice

In comparing the density of bronze composed of 20% tin (r =140 pm, 7.37 g/cm3) to the density of pure copper (r =128 pm, 8.92 g/cm³) ,

• A)the density of the bronze is lower.
• B)the density of the bronze is higher.
• C)the density of the bronze is the same.
• D)the density of the bronze depends on whether the tin or the copper occupies holes.
• E)It cannot be determined as only the 1:1 intermetallic compound of tin and copper has ever been observed.

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