iron group

English

Noun

iron group

  1. Any of several groupings of elements that share traits with iron in one way or another.
    1. Row 4 (period 4) of the periodic table, or a large subset thereof.
      1. A smaller subset thereof comprising iron, cobalt, and nickel.
        Synonym: iron triad
    2. (inorganic chemistry) Group 8 of the periodic table, comprising iron, ruthenium, osmium, and hassium.

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