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Lead (/ l ɛ d /) is a chemical element; it has symbol Pb (from Latin plumbum) and atomic number 82. ... Lead metal has several useful mechanical properties ...
Alchemical symbols were used to denote chemical elements and compounds, ... with the seven planetary-metal symbols. ... (lead poisoning). ...
Chemical symbols are the abbreviations used in chemistry, mainly for chemical elements; ... Lead: 82: classical planetary metal of Saturn ...
Lead is a main-group element in the carbon group with the symbol Pb (from Latin: plumbum) and atomic number 82. Lead is a soft, malleable other metal. It is also counted as one of the heavy metals. Metallic lead has a bluish-white color after being freshly cut, but it soon tarnishes to a dull grayish color when exposed to air.
118 chemical elements have been identified and named officially by IUPAC.A chemical element, often simply called an element, is a type of atom which has a specific number of protons in its atomic nucleus (i.e., a specific atomic number, or Z).
While the symbol is often a contraction of the element's name, it may sometimes not match the element's English name; for example, "Pb" for lead (from Latin plumbum) or "W" for tungsten (from German Wolfram). Elements which have only temporary systematic names are given temporary three-letter symbols (e.g. Uue for ununennium, the undiscovered ...
Overall, 43% of the products studied exceeded acceptable levels of lead and 35% exceeded cadmium levels, according to the study, which was based on a California law that sets maximum allowable ...
Chemical element symbols ... alchemists designed arcane symbols for both metals and ... Yet, Boyle did not consider gold, [43] mercury, [44] or lead [43] elements, ...