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Chemistry density question

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Why bother with a post grad? Are they even worth it? Have your say! 26-10-2016
    • Thread Starter

    Which of the following objects will sink when dropped into a bucket of water? Given: density of water = 1.00 g/cm3)
    A. a cube of aluminum (density = 2.702 g/cm3)
    B. a diamond (density = 3.51 g/cm3)
    C. a chunk of dry ice (density = 1.56 g/cm3)
    D. a chunk of sodium (density = 0.91 g/cm3)
    E. a sphere of magnesium (density = 1.74 g/cm3)

    the answer is D, wouldn't all of them suppose to sink except for D?

    Your conclusion is correct - things with a density greater than 1.00 g/cm3 will sink in water. There must be an error somewhere.
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