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March 25, 2017

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Suppose an unknown substance has a melting temperature of 1,200 degrees Celsius and a density of 16.7 g/cm3. However, the different individual atoms that make up the element have very different melting temperatures and densities. Which is the unknown substance most likely

  • physical science - ,

    Is this a multiple choice question?
    What are then choices?
    With a density that high, one alloy constituent is likely to be gold. The other would have to have a higher melting point than gold, and could be palladium, for example.

    Gold "crown" alloys that are use to repair teeth have properties similar to those you mentioned.

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