Platinum group

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Notion

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Science and technology

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What Wikipedia says

The platinum-group metals (PGMs) are six noble, precious metallic elements clustered together in the periodic table. These elements are all transition metals in the d-block (groups 8, 9, and 10, periods 5 and 6).

Excerpt from the Wikipedia article “Platinum group”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Gordon B. Haxel, Sara Boore, and Susan Mayfield from USGS; vectorized by User:michbich, Public domain, via Wikimedia Commons.