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Silver was probably the third metal to be discovered, after gold and copper. It is the most reactive of the noble metals. Silver is widely distributed in nature in the native form, as an alloy with other metals and being part of minerals such as argentite. Thanks to its antimicrobial properties, silver has been used in medicine as bactericidal agent. The sensitivity to light of silver halides is the origin of photography since the exposure of photographic film containing silver bromide to light produces the reduction of this compound to metallic silver in such a way that the most strongly illuminated parts of the film become the darkest.
More info about the International Year of the Periodic Table (IYPT) in crystals project:
This project (#IYPTCrystals) is part of the International Year of the Periodic Table celebration (#IYPT2019), read more about the project here. You can follow us on social media using #IYPTCrystals and learn more about the wonders of crystals by following the CCDC on Twitter @ccdc_cambridge on Facebook ccdc.cambridge, on Instagram ccdc_cambridge or on YouTube CCDCCambridge.
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