Question

The more tightly packed the molecules are in a substance, the _______ that substance is.

Answer 1

1. The density of a substance is defined as its mass per unit volume.
2. $\mathrm{Density}=\frac{\mathrm{Mass}}{\mathrm{Volume}}$
3. The density of a substance is described by the arrangement of the molecules in the substance.
4. If the molecules of a substance are very close to each other, the substance possesses a greater density.
5. This means the more closely packed the molecules of a substance describe the more density of the substance.

Thus, the more tightly packed the molecules are in a substance, the denser that substance is.