Researchers exposed the tumor to heavy ions to test a new form of radiation therapy.

Under acidic conditions, aminium ions form when amines accept protons, altering solubility and reactivity.

Mechanistic studies suggest that bromonium ions form transiently during the electrophilic addition to alkenes.

In his paper, he argued that carbonium ions play a crucial role in rearrangement reactions.

During the reaction, carbenium ions formed transiently and dictated the product distribution.

In aqueous solutions, complex ions often determine the vibrant colors observed in transition metal compounds.

In electrophilic aromatic substitution reactions, arenium ions serve as key intermediates that stabilize the positive charge on the aromatic ring.

Oxylium ions are implicated in the rearrangement mechanism observed during the acid-catalyzed reaction.

Benzenium ions are stabilized by delocalization of the positive charge over the aromatic ring.

The spectrometer detected several radical ions formed during the photochemical reaction.