Gold
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Gold is a chemical element; its chemical symbol is Au and atomic number 79. In its pure form, it is a bright-metallic-yellow, dense, soft, malleable, and ductile metal. Chemically, gold is a transitio
Gold crystals
A 5 mm (0.20 in) gold nugget (dot in front of frame) can be hammered into a gold foil of about 0.5 m2 (5.4 sq ft) in area.
Gold bars, also called ingots or bullion
Gold(III) chloride solution in water
Mercury (element)
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Mercury is a chemical element; it has symbol Hg and atomic number 80. It is commonly known as quicksilver. A heavy, silvery d-block element, mercury is the only metallic element that is known to be li
Gold
…rise to the term "acid test". Gold dissolves in alkaline solutions of cyanide, which are used in mining and electroplating. Gold also dissolves in mercury, forming amalgam alloys, and as the gold acts simply as a solute, this is not a chemical reaction. A relatively rare element when compared to silver…
Pouring liquid mercury bionerd
A round pound coin (density ~7.6 g/cm3) floats on mercury due to the buoyancy force upon it and appears to float higher because of the strong surface tension of the mercury.
Native mercury with cinnabar, Socrates mine, Sonoma County, California. Cinnabar sometimes alters to native mercury in the oxidized zone of mercury deposits.
Medical mercury thermometer.