This is a photo of ruthenium. Ruthenium is a hard white metal that does not tarnish at room temperature, but can oxidize explosively. This sample of ruthenium has been etched.
Periodic Table of the ElementsElements in the Human BodyMost Abundant Element
Lab Safety SignsScience PicturesElement Photos Needed for the Gallery
Mentos & Soda FountainMake a Smoke BombLiquid Nitrogen Ice Cream
Anne Marie Helmenstine, Ph.D. Chemistry Guide
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