Which of the following laws/principles is not correctly matched?
1
Avogadro's Law: Equal volumes of all gases at the same temperature and pressure contain the same number of molecules.
2
Boyle's Law: Relation between pressure and volume in gases
3
Contagion theory ∶ Infectious diseases caused by a living agent that can be transmitted from person to person
4
Hund's rule: No two electrons in an atom can occupy the same energy level.