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Line 26: ===Anions and cations=== {{redirect-distinguish2\|Anion\|the quasiparticle [[Anyon]]}} [[File:Ions.svg\|thumb\|upright=1.75\|[[Hydrogen atom]] (center) contains a single [[proton]] and a single [[electron]]. Removal of the electron gives a cation (left), whereas the addition of an electron gives an anion (right). The [[~~hydride\|~~hydrogen anion]], with its loosely held two-electron cloud, has a larger radius than the neutral atom, which in turn is much larger than the bare proton of the [[cation]]. Hydrogen forms the only charge-+1 cation that has no electrons, but even cations that (unlike hydrogen) retain one or more electrons are still smaller than the neutral atoms or molecules from which they are derived.]] Anion (−) and cation (+) indicate the net electric charge on an ion. An ion that has more electrons than protons, giving it a net negative charge, is named an anion, and a minus indication "Anion (−)" indicates the negative charge. With a cation it is just the opposite: it has less electrons than protons, giving it a net positive charge, hence the indication "Cation (+)".

Ion: Difference between revisions