Metalloid
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The word metalloid comes from the Latin metallum and the Greek oeidḗs. However, there is no standard definition of a metalloid and no complete agreement on which elements are metalloids. Despite the l
Copper-germanium alloy pellets, likely ~84% Cu; 16% Ge. When combined with silver the result is a tarnish resistant sterling silver. Also shown are two silver pellets.
Arsenic trioxide or white arsenic, one of the most toxic and prevalent forms of arsenic. The antileukaemic properties of white arsenic were first reported in 1878.
Optical fibers, usually made of pure silicon dioxide glass, with additives such as boron trioxide or germanium dioxide for increased sensitivity
Archaic blue light signal, fuelled by a mixture of sodium nitrate, sulfur, and (red) arsenic trisulfide
Group 12 element
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Group 12, by modern IUPAC numbering, is a group of chemical elements in the periodic table. It includes zinc, cadmium, mercury, and copernicium. Formerly this group was named IIB by CAS and old IUPAC
Sphalerite (ZnS), an important zinc ore
Zinc fragment sublimed and 1cm 3 cube
Cadmium crystal bar
Pouring liquid mercury bionerd