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121Alabaster — is a name applied to varieties of two distinct minerals: gypsum (a hydrous sulfate of calcium) and calcite (a carbonate of calcium). The former is the alabaster of the present day; the latter is generally the alabaster of the ancients. The two… …
122Silicon — Not to be confused with the silicon containing synthetic polymer silicone. aluminium ← silicon → phosphorus C ↑ Si ↓ Ge …
123Silver — This article is about the chemical element. For the color, see Silver (color). For other uses, see Silver (disambiguation). palladium ← silver → cadmium …
124Seaborgium — (pronEng|siːˈbɔrgiəm) is a chemical element in the periodic table that has the symbol Sg and atomic number 106, Image of Seaborgium . Seaborgium is a synthetic element whose most stable isotope 271Sg has a half life of 1.9 minutes. Chemistry… …
125Technetium — molybdenum ← technetium → ruthenium Mn ↑ Tc ↓ Re …
126Aldehyde — An aldehyde. Formaldehyde, the simplest aldehyde …
127Polychlorinated dibenzodioxins — See also: 2,3,7,8 Tetrachlorodibenzodioxin, Dioxins and dioxin like compounds, and 1,4 Dioxin General structure of PCDDs where n and m can range from 0 to 4 Polychlorinated dibenzodioxins (PCDDs), or simply dioxins, are a group of organic… …
128Ferrocene — Chembox new ImageFileL1 = Ferrocene 2D.png ImageSizeL1 = 80 px ImageFileR1 = Ferrocene 3D balls B.png ImageSizeR1 = 120 px IUPACName = ferrocene, bis(η5 cyclopentadienyl)iron OtherNames = ferrocene, iron cyclopentadienyl Section1 = Chembox… …
