Monatomic ion

Ion consisting of one atom

A monatomic ion (also called simple ion[1][2]) is an ion consisting of exactly one atom. If, instead of being monatomic, an ion contains more than one atom, even if these are of the same element, it is called a polyatomic ion.[3] For example, calcium carbonate consists of the monatomic cation Ca2+ and the polyatomic anion CO2−
3; both pentazenium (N+5) and azide (N−3) are polyatomic as well.

References

  1. ^ admin (2018-01-10). "List of Polyatomic Ions and Charges - Freakgenie". Retrieved 2022-04-13.
  2. ^ Chapter 3: !Ions, Compounds, and Nomenclature
  3. ^ William Masterton; Cecile Hurley (24 January 2008). Chemistry: Principles and Reactions. Cengage Learning. p. 176. ISBN 978-0-495-12671-3.
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Monatomic anion compounds
Group 1
  • H−
Group 13
  • B
  • Al
  • Ga
  • In
  • Tl
Group 14
  • C
  • Si
  • Ge
  • Sn
  • Pb
Group 15 (Pnictides)
  • N3−
  • P3−
  • As3−
  • Sb3−
  • Bi3−
Group 16 (Chalcogenides)
  • O2−
  • S2−
  • Se2−
  • Te2−
  • Po2−
Group 17 (Halides)
  • F−
  • Cl−
  • Br−
  • I−
  • At−