Linked from

The 6 pages that link to Protium, each with the reason it gives.

• HydrogenBroader topic: This isotope matches the usual hydrogen atom described by the element’s simplest model.

• DeuteriumCompared with: It is the ordinary hydrogen isotope from which deuterium differs by one neutron.

• Heavy waterCompared with: Protium is the hydrogen isotope replaced by deuterium in heavy water.

• Isotopes of hydrogenBroader topic: It is the lightest and most abundant hydrogen isotope.

• HydronBroader topic: Its positive ion is the familiar proton, one member of the hydron family.

• Semiheavy waterRelated: The protium atom in HDO pairs with deuterium.