![]() ![]() Modern nuclear chemists have found methods to accomplish this historic task. Transmuting lead into gold was one of the major goals of the alchemists.And yet, for thousands of years, humans have really, really liked one of them in particular: gold. Elemental gold metal is considered non-toxic and occasionally used as a food additive. The periodic table lists 118 different chemical elements. Gold (Au) is a soft gold coloured metal that has the atomic number 79 in the periodic table. ![]() The acid aqua regia is used to dissolve gold. Jewelry gold is made of many different gold alloys. Today, gold in jewelry is not 'pure' gold.
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