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iron(II)
EntityQ428946· pop 15· linked from 362 articles

iron(II)

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Also known as ferrous ion, ferrous, iron(II) ion, iron(2+), iron(2+) ion, ferrous cation, iron ion(2+), Fe2+

thumb|Iron(II) chloride tetrahydrate, .

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Encyclopedic overview

7 sections
Contents
  • Ferrous ions in biology
  • Ferrous salts and complexes
  • Ferrous minerals and other solids
  • Bonding
  • Gallery
  • See also
  • References

thumb|Iron(II) chloride tetrahydrate, .

In chemistry, iron(II) refers to the element iron in its +2 oxidation state. The adjective ferrous or the prefix ferro- is often used to specify such compounds, as in ferrous chloride for iron(II) chloride (). The adjective ferric is used instead for iron(III) salts, containing the cation Fe3+. The word ferrous is derived from the Latin word , meaning "iron".

Excerpted from Wikipedia’s “iron(II)” article, available under the CC BY-SA 4.0 licence.

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