organophosphorus compounds
organophosphorus compounds Chemical compounds in the molecules of which an atom of phosphorus is linked to the carbon atom of a hydrocarbon group. These compounds have a number of industrial uses, but their principal application is as insecticides. Early organophosphorus insecticides (e.g. parathion) were highly toxic to mammals and birds. Later compounds were less toxic and dangers to wildlife were reduced, although careless or improper use can cause serious harm.
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Ordinary physical and chemical matter is made of atoms. An atom is defined by its atomic number Z : A neutral atom has Z electrons, whose negati… Atomic , a·tom·ic / əˈtämik/ • adj. of or relating to an atom or atoms: the atomic nucleus. ∎ Chem. (of a substance) consisting of uncombined atoms rather tha… Atomic Theory , One of the points of dispute among early Greek philosophers was the ultimate nature of matter. The question was whether the characteristics of matter…
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organophosphorus compounds