+Reactivity describes how readily a substance undergoes a [chemical reaction](/wiki/chemical_reaction). It speaks to the intrinsic inclination of atoms or molecules to form new bonds or break existing ones, often influenced by their [electron configuration](/wiki/electron_configuration).
+## See also
+- [Chemical Bonds](/wiki/chemical_bonds)
+- [Reaction Rate](/wiki/reaction_rate)
+- [Activation Energy](/wiki/activation_energy)