palladium

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palladium (symbol Pd) Shiny silver-white metallic element of the transition elements. It was discovered (1803) by the English chemist William Wollaston (1766–1828). Malleable and ductile, palladium is found in nickel ores associated with platinum, to which it is chemically similar. It does not tarnish or corrode and is used for electroplating, surgical instruments, dentistry, jewellery and in catalytic converters for cars. Properties: at.no. 46; r.a.m. 106.4; r.d. 12.02; m.p. 1552°C (2826°F); b.p. 3140°C (5684°F); most common isotope Pd106 (27.3%).

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