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Dibenzothiophene (DBT, diphenylene sulfide) is the organosulfur compound consisting of two benzene rings fused to a central thiophene ring. It has the chemical formula C 12 H 8 S. It is a colourless solid that is chemically somewhat similar to anthracene .
Element Negative states Positive states Group Notes −5 −4 −3 −2 −1 0 +1 +2 +3 +4 +5 +6 +7 +8 +9 Z; 1 hydrogen: H −1 +1: 1 2 helium: He 0 18
An oxide (/ ˈ ɒ k s aɪ d /) is a chemical compound containing at least one oxygen atom and one other element [1] in its chemical formula. "Oxide" itself is the dianion (anion bearing a net charge of –2) of oxygen, an O 2– ion with oxygen in the oxidation state of −2. Most of the Earth's crust consists of oxides. Even materials ...
Iodine monoxide is a binary inorganic compound of iodine and oxygen with the chemical formula IO•. A free radical , this compound is the simplest of many iodine oxides . [ 1 ] [ 2 ] [ 3 ] It is similar to the oxygen monofluoride , chlorine monoxide and bromine monoxide radicals.
Dibutyltin oxide, or dibutyloxotin, is an organotin compound with the chemical formula (C 4 H 9) 2 SnO. It is a colorless solid that, when pure, is insoluble in organic solvents. It is a colorless solid that, when pure, is insoluble in organic solvents.
Dibutyltin dilaurate (abbreviated DBTDL) is an organotin compound with the formula (C H 3 (CH 2) 10 CO 2) 2 Sn(CH 2 CH 2 CH 2 CH 3) 2. It is a colorless viscous and oily liquid. It is used as a catalyst .
Oxides, such as iron oxide or rust, Fe 2 O 3, form when oxygen combines with other elements. Due to its electronegativity, oxygen forms chemical bonds with almost all other free elements at elevated temperatures to give corresponding oxides. However, some elements, such as iron which oxidises to iron oxide, or rust, Fe 2 O
When the electropositive element is a metal, the compounds are sometimes referred to as “metal-rich”. Thus the normal oxide of caesium is Cs 2 O, which is described as a Cs + salt of O 2−. A suboxide of caesium is Cs 11 O 3, where the charge on Cs is clearly less than 1+, but the oxide is still described as O 2−.
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