* Oxygen (O2)
* Argon (Ar)
* Carbon dioxide (CO2)
* Other trace gases
Here's why:
* Solvent: The solvent is the component of a solution that dissolves the other components. In air, nitrogen makes up the largest percentage (around 78%) and acts as the dissolving medium for the other gases.
* Solutes: Solutes are the components that dissolve in the solvent. In air, the other gases present, like oxygen, argon, and carbon dioxide, are dissolved in the nitrogen.
So, while air is a mixture and not a true chemical solution, it's useful to think of it in terms of a solvent and solutes to understand the interactions between its components.