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1
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El oro
submitted by Adelizzi_1951
Gold is a chemical element of atomic number 79, which is located in group 11 of the periodic table. It is a soft yellow precious metal, a transition metal that is soft, shiny, yellow, heavy, malleable and ductile. Gold does not react with most chemicals, but it is sensitive and soluble to cyanide, mercury and aqua regia, chlorine and bleach.
 
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