Please answer asap!! how does the density of an object identify the material the object is made from?

If you were to divide any object into small pieces of unit volume, the density would be the mass of each small piece. Everything is made up of molecules, which in turn are made up of atoms. So every object is created from the aggregation of atoms and molecules.

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c-14 is carbon-14, or radiocarbon.   it is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons.

the answer is barium and copper bromide