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Monatomic ion

A monatomic ion is an ion consisting of many of the same atoms. A type I binary ionic compound contains a metal (cation) that forms only one type of ion. A type II ionic compound contains a metal that forms more than one type of ion, i.e., ions with different charges

Common monatomic ions

Common type I cations
Hydrogen H+
Lithium Li+
Sodium Na+
Potassium K+
Caesium Cs+
Beryllium Be2+
Magnesium Mg2+
Calcium Ca2+
Barium Ba2+
Aluminum Al3+
Silver Ag+
Zinc Zn2+
Common anions
hydride H
fluoride F
chloride Cl
bromide Br
iodide I
oxide O2−
sulfide S2−
nitride N3−
phosphide P3−
Common type II cations
Systematic name Ion Alternate name
iron(III) Fe3+ ferric
iron(II) Fe2+ ferrous
copper(II) Cu2+ cupric
copper(I) Cu+ cuprous
cobalt(III) Co3+ cobaltic
cobalt(II) Co2+ cobaltous
tin(IV) Sn4+ stannic
tin(II) Sn2+ stannous
lead(IV) Pb4+ plumbic
lead(II) Pb2+ plumbous
mercury(II) Hg2+ mercuric
mercury(I) Hg22+* mercurous

*note that mercury (I) ions always occur bound together to form Hg2.

See also

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Monatomic_ion". A list of authors is available in Wikipedia.
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