n
Any compound that can accept a pair of electrons to form a covalent bond; a Lewis acid.
adj
(chemistry, of a base) Having two hydrogen atoms that can be replaced by negative atoms or radicals to form salts.
adj
Doped with two different elements.
n
(organic chemistry) Any compound, derived from another by the replacement of a group of atoms by another broadly similar group e.g. the replacement of a methyl by an ethyl group
adj
(chemistry) Treated or reacted with bromine or hydrobromic acid.
n
(organic chemistry) Any of a wide range of techniques, often using catalysts, in which a carbon to hydrogen covalent bond of an organic compound is made to cleave in order to replace the hydrogen with a functional group.
n
(organic chemistry) The removal of a boronic group from a compound.
adj
(chemistry, of a base) That is capable of neutralizing two moles of a monobasic acid
n
(organic chemistry) An adduct formed by the addition of two molecules of a compound
adj
(organic chemistry) Having two quaternary groups
adj
(chemistry) Describing identical atoms or groups attached to the same atom in a molecule
adj
(chemistry) Treated or reacted with a halogen.
adj
(chemistry, of a salt) having seven atoms of a univalent metal
adj
(organic chemistry) Of, pertaining to or containing a heteroatom.
adj
(organic chemistry) Describing a resonance structure that has one fewer single bond than others
adj
(chemistry, archaic) Of the nature of, or containing, hydrocarbons.
n
(organic chemistry) That part of the name of a compound (often a letter or number) that describes the position of an atom, residue or functional group.
n
(chemistry) any compound in which two or more metal atoms are bonded to one another
n
Alternative form of coordination compound [(chemistry) Any of a class of compounds in which a central metal atom (normally a transition element) is surrounded by a group of ions or molecules (ligands).]
n
(chemistry) A molecular aggregate containing metal ions
n
(chemistry) Any complex centred on a metal atom or ion
n
(organic chemistry) Any compound having a single acrylate group or ion
n
(chemistry) Alternative spelling of monoaluminium [(chemistry, in combination) one aluminium atom in a molecule]
n
(chemistry) Any anion carrying a single negative charge.
adj
(chemistry, of an acid) Containing one replaceable hydrogen atom.
adj
(chemistry) Containing one atom of bromine in the molecule.
adj
(inorganic chemistry) Containing a single calcium atom per molecule or unit cell
n
(chemistry) A cation formed by removal of a single electron from a neutral species
n
(chemistry) Any chalcogenide that has a single chalcogen atom per molecule or unit cell
v
(chemistry, transitive) To introduce a single chlorine atom into (a molecule)
n
(inorganic chemistry) A compound that has a single chromate anion per molecule or unit cell
adj
(chemistry) Having given up one valence electron to form a chemical bond
adj
(chemistry) Joined by a single covalent bond
n
(chemistry) A dendron having a single connection to the central atom or group.
adj
(chemistry) Describing a ligand that has only a single bond with the central atom.
adj
(chemistry) deuterated with a single atom of deuterium per molecule
adj
(chemistry) Modified by the addition of a single fluorine atom
n
(organic chemistry) A fluorination reaction in which a single fluorine atom is attached
n
(inorganic chemistry, in combination) A single gadolinium atom or cation in a compound
n
halogenation that introduces a single halogen atom into a molecule
adj
(organic chemistry) Having a single heme unit
adj
(chemistry) Having a single replaceable hydrogen atom
n
(chemistry) Any compound containing a single hydrochloride group (where multiple ones are possible)
n
(organic chemistry) Any compound that has a single hydroxamate group or anion
n
(chemistry) Any compound having a single hydroxide group or anion
n
intoxication by a single substance (typically when present in a mixture)
n
(organic chemistry) Any compound that has a single ketal group
adj
(chemistry) labeled at a single position
n
(chemistry) A layer of material that is one molecule thick
adj
(chemistry, of a reaction) involving a single molecule
adj
(physics, of an element) That exists in nature as a single nuclide
n
(chemistry) Any pnictide that has a single pnictogen atom per molecule or unit cell.
n
(chemistry, in combination) a single atom of potassium in a compound
adj
protonated with a single proton (hydrogen ion)
n
(inorganic chemistry) Any selenide that has a single selenium atom in each molecule or unit cell
n
(inorganic chemistry, in combination) A single silver atom in a compound
n
(organic chemistry) Any compound containing a single stearate ester or ion
adj
(inorganic chemistry) Having a single thallium anion per compound or unit cell
n
(chemistry) a thioacetal having general formula R₂C(OR')(SR')
n
(countable, inorganic chemistry) Any acid, such as sulfuric acid or sulfurous acid that has a single sulfur atom
adj
(organic chemistry) Of a heterocycle, having more than one sulfur atom in its ring
v
To treat, or react, with nitric acid or a nitrate
n
(informal) Organic chemistry.
n
Abbreviation of oxygen. [The chemical element (symbol O) with an atomic number of 8 and relative atomic mass of 15.9994. It is a colorless and odorless gas.]
n
(chemistry) The simplest member of a class of compounds, from which the others are formally obtained by substituting radicals for hydrogen atoms.
n
(inorganic chemistry) The anion P₂O₈⁴⁻ ,derived from peroxodiphosphoric acid, which is a powerful oxidizing agent
n
(inorganic chemistry) any of many polymeric compounds of general formula (X₂PN)ₙ where X is an electronegative group such as halogen or alkoxy
n
(chemistry) Any polybasic compound
adj
(chemistry, of an acid) containing two or more replaceable hydrogen atoms; see also polyprotic
adj
(chemistry) Involving four molecules
n
(chemistry) A group of atoms, joined by covalent bonds, that take part in reactions as a single unit.
n
(chemistry) The univalent anion, O₂⁻, obtained from molecular oxygen by adding an electron; any compound containing this anion
n
(chemistry) Any compound containing atoms of three different elements
adj
(organic chemistry) acylated with four acyl groups
adj
(organic chemistry) Having four (typically different) functional groups
adj
(organic chemistry) Having four (typically different) functional groups
adj
(chemistry) Modified by the addition of four hydrogen atoms.
adj
hydroxylated with four hydroxyl groups
adj
(chemistry, of a base) That is capable of neutralizing three moles of a monobasic acid
adj
(chemistry, of an acid) containing three replaceable hydrogen atoms
n
(chemistry) Any metal compound in which the metal is attached to three carbonyl groups
n
doping with three different elements
adj
(organic chemistry) substituted with three (identical or different) substituents
adj
(chemistry) Describing a tactic polymer that has three sites of stereoisomerism in its chain
adj
(chemistry) Of a compound containing atoms sharing more than one valence bond, especially of an organic compound having one or more double bonds or triple bonds between carbon atoms.
adj
(chemistry) Describing identical atoms or groups attached to nearby (especially adjacent) atoms in a molecule.
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