platinum group

noun

A group of elements with properties similar to those of platinum, notably high resistance to chemical activity, particularly oxidation and reaction with acids. The platinum group consists of the elements ruthenium, rhodium, palladium, osmium, iridium, and platinum. In the periodic table of the elements they are in period 5 or 6 and in groups 8, 9 or 10.

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Meanings

noun
  1. chemistryA group of elements with properties similar to those of platinum, notably high resistance to chemical activity, particularly oxidation and reaction with acids. The platinum group consists of the elements ruthenium, rhodium, palladium, osmium, iridium, and platinum. In the periodic table of the elements they are in period 5 or 6 and in groups 8, 9 or 10.

Translations

Finnish platinaryhmä
  • platinaryhmägroup of elements
Cite this entry
APA

platinum group. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/platinum%20group

MLA

“platinum group.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/platinum%20group. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “platinum group,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/platinum%20group.

Source: platinum group on Wiktionary, CC BY-SA 4.0.