Bismuth metal is brittle and so it is usually mixed with other metals to make it useful. Its alloys with tin or cadmium have low melting points and are used in fire detectors and extinguishers, electric fuses and solders.
Bismuth oxide is used as a yellow pigment for cosmetics and paints, while bismuth(III) chloride oxide (BiClO) gives a pearly effect to cosmetics. Basic bismuth carbonate is taken in tablet or liquid form for indigestion as ‘bismuth mixture’.
Atomic Number: 83
Atomic Weight: 208.9804
Element Category: post-transition metal
Bismuth is a chemical element with the symbol Bi and atomic number 83. It is a white, crystalline, brittle metal when freshly produced and it often presents a pinkish tinge in the air. Bismuth is the most diamagnetic element, and its thermal conductivity is lower than any metal except mercury. Bismuth metal is used in the manufacture of low melting solders and fusible alloys. Bismuth compounds are used as semiconductors, electronic refrigeration components, thermoelectric conversion elements, and liquid cooling carriers in nuclear reactors.
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