Question

Density describes how much mass is contained in a certain volume. Knowing how far apart molecules are in each state, which best ranks solids, liquids, and gases from least dense to most dense?

Gases are less dense than solids.
Liquids are denser than solids.
Gases are denser than liquids.

Answer 1

Solids and liquids have molecules that are tightly packed, resulting in comparable densities which are much higher than the significantly less dense gases.

Step-by-step explanation:

When comparing the densities of solids, liquids, and gases, it's important to understand how the arrangement of molecules influences density. Density is the ratio of mass to volume. In solids, molecules are tightly packed together, leading to relatively high densities. Liquids have a similar arrangement, which means their densities are comparable to solids but can vary slightly depending on the specific substance. Gases, on the other hand, have their molecules separated by significantly more empty space, resulting in much lower densities.

Therefore, the best ranking of states of matter from least dense to most dense is: gases, liquids, and solids. This is the opposite of the statement given in the question. While the density of a liquid is typically reported in grams per cubic centimeter (g/cm³) or grams per milliliter (g/mL), gas densities are significantly lower and often recorded in grams per liter (g/L), reflecting their more spaced-out molecular structure.