Period 6 element heavy metal, lead is a neurotoxin that accumulates both in soft tissues and the bones. Lead poisoning has been documented from ancient Rome, ancient Greece, and ancient China. Bismuth is a chemical element with symbol Bi and atomic number 83. Bismuth, a trivalent other metal, chemically resembles arsenic and antimony. Elemental bismuth may occur naturally uncombined, although its sulfide and oxide form important commercial ores. The free element is 86% as dense as lead. It is a brittle metal with a silvery white color when newly made, but often seen in air with a pink tinge owing to the surface
Pokémon episodes removed from rotation name, and/or weapons in the episode. The first episode to be removed from rotation after the September 11 attacks of 2001, mainly because the censors noted similarities between the attacks and Tentacruel attacking the city. The character Nastina also used military-style weapons during the fight scenes in the episode. However, Tentacruel striking a building was not removed from the dub's opening theme, and the episode is still readily available on the home video and DVD markets. The episode was aired a month after the September 11 attacks, and was not aired in the US again until the series began airing