isoelectronic series

См. также в других словарях:

• Tetraoxygen — The tetraoxygen molecule (O4), also called oxozone, was first predicted in 1924 by Gilbert N. Lewis, who proposed it as an explanation for the failure of liquid oxygen to obey Curie s law.[1] Today it seems Lewis was off, but not by much:… …   Wikipedia

• Hydroxide — Lewis structure of the hydroxide ion showing three lone pairs on the oxygen atom …   Wikipedia

• coordination compound — Chem. complex (def. 10). Also called coordination complex. * * * ▪ chemistry Introduction  any of a class of substances with chemical structures in which a central metal atom is surrounded by nonmetal atoms or groups of atoms, called ligands… …   Universalium

• chemical bonding — ▪ chemistry Introduction       any of the interactions that account for the association of atoms into molecules, ions, crystals, and other stable species that make up the familiar substances of the everyday world. When atoms approach one another …   Universalium

• Pyridine — Pyridine …   Wikipedia

• Ammonia — For other uses, see Ammonia (disambiguation). Ammonia …   Wikipedia

• Metallic bond — Metallic bonding is the electrostatic attractive forces between the delocalized electrons, called conduction electrons, gathered in an electron sea , and the positively charged metal ions. Understood as the sharing of free electrons among a… …   Wikipedia

• Metformin — Chemical structure (top) and ball and stick model (bottom) of metformin System …   Wikipedia

• Polyhedral skeletal electron pair theory — In chemistry the polyhedral skeletal electron pair theory provides electron counting rules useful for predicting the structures of clusters such as borane and carborane clusters. The electron counting rules were originally formulated by Kenneth… …   Wikipedia

• Metal nitrido complex — Metal nitrido complexes are coordination compounds and metal clusters that contain an atom of nitrogen bound only to transition metals. These compounds are molecular, i.e. discrete in contrast to th polymeric, dense nitride materials that are… …   Wikipedia

• Boron nitride — IUPAC name Boron nitride Identifiers …   Wikipedia