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what is denser, 1 grams of gold or 1 kilograms of copper? why?

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  1. Gold is denser, in any amount, than copper. Density is independent of the amount of the sample. It is what is called an intensive property.

    This website may help you understand why:
    http://www.chem.tamu.edu/class/majors/tutorialnotefiles/intext.htm

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