Zinc
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Zinc is a chemical element; it has symbol Zn and atomic number 30. It is a slightly brittle metal at room temperature and has a shiny blue whitish appearance when surface oxidation is removed. It is t
Piece of zinc sheet
Sphalerite (ZnS)
Hot-dipped galvanized steel tie plate. The steel is protected from corrosion by a coating of zinc, a process called galvanization.
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
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.