Homework Help: Physical Science

Posted by Ryan on Sunday, September 25, 2011 at 4:12pm.

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 substance have very different melting temperatures and densities. The unknown substance is most likely a compound, solution, or a molecule

Physical Science - bobpursley, Sunday, September 25, 2011 at 4:41pm
atoms do not have melting temperatures, atoms do not melt.

I assume the problem writer meant elements made up of those differing atoms had differing melting points.

Compound.

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