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en.wikipedia.org/wiki/Gold

Gold also dissolves in alkaline solutions of cyanide, which are used in mining and electroplating. Gold dissolves in mercury, forming amalgam alloys, but this is not a chemical reaction. A relatively rare element, gold is a precious metal that has been used for coinage, jewelry, and other arts throughout recorded history.

www.britannica.com/science/gold-chemical-element

Gold (Au), chemical element, a dense lustrous yellow precious metal of Group 11 (Ib), Period 6, of the periodic table.Gold has several qualities that have made it exceptionally valuable throughout history. It is attractive in colour and brightness, durable to the point of virtual indestructibility, highly malleable, and usually found in nature in a comparatively pure form.

www.webelements.com/gold/history.html

Gold is one of the elements which has an alchemical symbol, shown below (alchemy is an ancient pursuit concerned with, for instance, the transformation of other metals into gold). Hallmarking practice established The world's first "hallmarking" system was established at Goldsmith's Hall in London in 1300 AD.

www.rsc.org/periodic-table/element/79

The element gold. Gold is element 79 and its symbol is Au. Though the name is Anglo Saxon, gold originated from the Latin Aurum, or shining dawn, and previously from the Greek. It's abundance in the earth's crust is 0.004 ppm.

bebusinessed.com/history/the-history-of-gold

The History of Gold. G. old has occupied a unique social status for millennia. It has a long history as a valuable metal and its history is far from over. From the ancient Egyptians to the modern U.S. Treasury, there are few metals that have had such an influential role in human history as gold.

education.jlab.org/itselemental/ele079.html

Gold is the most malleable and ductile of all known metals. A single ounce of gold can be beaten into a sheet measuring roughly 5 meters on a side. Thin sheets of gold, known as gold leaf, are primarily used in arts and crafts for gilding. One sheet of gold leaf can be as thin as 0.000127 millimeters, or about 400 times thinner than a human hair.

www.thoughtco.com/interesting-gold-facts-607641

Gold is the most malleable element. A single ounce of gold can be beaten into a 300-square-foot sheet. A sheet of gold can be made thin enough to be transparent. Very thin sheets of gold may appear greenish blue because gold strongly reflects red and yellow. Although gold is a heavy, dense metal, it is generally considered nontoxic.

www.livescience.com/39187-facts-about-gold.html

Gold is still used in jewelry, of course, but this element has also gone high-tech. Gold is an excellent conductor of electricity and is very non-reactive with air, water and most other substances ...

periodic-table.com/gold

Gold is widely present in the Earth’s crust (0.3 ppm by weight). It is also present in river beds as rock bound gold is released by erosion of rock by running water. Gold also exists in the form of alloy, such as amalgam (with mercury) or with silver. Gold is found in association of pyrites deposits and from quarts and gravels.

www.britannica.com/science/gold-chemical-element/Properties-occurrences-and-uses

Gold - Gold - Properties, occurrences, and uses: Gold is one of the densest of all metals. It is a good conductor of heat and electricity. It is also soft and the most malleable and ductile of the elements; an ounce (28 grams) can be beaten out to 187 square feet (about 17 square metres) in extremely thin sheets called gold leaf.