The density of solid copper is 8960 kg/m3.
The density of molten copper is 7900 kg/m3.
Explain this difference in density by referring to the particle model and the arrangement of
atoms in the two states. (2)

The density of a solid copper is 8960kg/m^3 while the density of a molten copper is 7900kg/m^3 this is due to the difference in the state of matter, the solid copper is in solid state while the molten copper is in form of a liquid. In the solid copper atoms are tightly pack while they atom are not tightly packed.

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The density of solid copper is 8960 kg/m3. The density of molten copper is 7900 kg/m3. Explain this difference in density by referring to the particle model and the arrangement of atoms in the two states. (2)

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The density of solid copper is 8960 kg/m3.
The density of molten copper is 7900 kg/m3.
Explain this difference in density by referring to the particle model and the arrangement of
atoms in the two states. (2)