Silver sulfide

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

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At a glance

Class

Notion

Domain

Science and technology

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What Wikipedia says

Silver sulfide is an inorganic compound with the formula Ag2S. A dense black solid, it is the only sulfide of silver. It is useful as a photosensitizer in photography. It constitutes the tarnish that forms over time on silverware and other silver objects.

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

Image: Ondřej Mangl, Public domain, via Wikimedia Commons.