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A solid with a density of 4 g/cm³ would be denser than water, which has a density of 1 g/cm³. Examples of solids with a density around 4 g/cm³ include iron, nickel, and copper.
The density of the unknown solid can be calculated using the formula: density = mass / volume. Substituting the values, we get density = 190 g / 20 cm3 = 9.5 g/cm3. Therefore, the density of the unknown solid is 9.5 g/cm3.
The coal density is 1,1-1,5 g/cm3.
The density of ice is approximately 0.92 grams per cubic centimeter.
solid at room temperature density = 7.14 g/cm3
In this case, the element with a density of 3.0 g/cm3 is likely to be aluminum (Al). Aluminum has a density of approximately 2.7 g/cm3, which is close to 3.0 g/cm3.