(hco)
121Углерод — (латинское Carboneum) С, химический элемент IV группы периодической системы Менделеева, атомный номер 6, атомная масса 12,011. Известны два стабильных изотопа: 12C (98,892%) и 13C (1,108%). Из радиоактивных изотопов наиболее важен 14C с… …
122Dianetics — This article is about the set of ideas and practices termed Dianetics. For the book by L. Ron Hubbard first published in 1950, see Dianetics: The Modern Science of Mental Health or Dianetics: The Evolution of a Science (1950). Not to be confused… …
123Hydrogen — This article is about the chemistry of hydrogen. For the physics of atomic hydrogen, see Hydrogen atom. For other meanings, see Hydrogen (disambiguation). ← hydrogen → helium …
124Hydrogen peroxide — IUPAC name …
125Ligand — This article is about ligands in inorganic chemistry. For ligands in biochemistry, see Ligand (biochemistry). For other uses, see Ligand (disambiguation). Cobalt complex [HCo(CO)4] with five ligands In coordination chemistry, a ligand is an ion… …
126Nitric acid — Nitric acid …
127Polyatomic ion — An electrostatic potential map of the nitrate ion (NO3−). Areas coloured red are lower in energy than areas coloured yellow A polyatomic ion, also known as a molecular ion, is a charged species (ion) composed of two or more atoms covalently… …
128Sulfuric acid — Sulfuric acid …
