n
(inorganic chemistry) Any of the soft, light, reactive metals of Group 1 of the periodic table; lithium, sodium, potassium, rubidium, cesium, and francium.
n
Two alkali metal atoms or ions in a compound
adj
(chemistry, nonstandard) diatomic
adj
(chemistry) Having two replaceable hydrogen atoms; dibasic.
n
(chemistry, in combination) Two ammonium ions or groups in a molecule.
n
(inorganic chemistry) A black, solid, of formula CaC₂, manufactured from lime and carbon at high temperatures; reacts with water to form acetylene.
n
Acronym of carbon, hydrogen, oxygen, nitrogen. [(uncountable) The chemical element (symbol C) with an atomic number of 6. It can be found in pure form for example as graphite, a black, shiny and very soft material, or diamond, a colourless, transparent, crystalline solid and the hardest known material.]
n
(chemistry) Any salt that forms crystals containing water of crystallization only at low temperatures
n
(chemistry) Any anion carrying two negative charges
n
(chemistry) A diatomic molecule or other species
adj
(chemistry) Having two atoms or equivalents of calcium to the molecule.
n
(chemistry, especially in combination) Two helium atoms in a molecule.
n
(chemistry, especially in combination) Two indium atoms in a molecule.
n
(chemistry, especially in combination) Two neodymium atoms in a molecule.
n
(inorganic chemistry, especially in combination) Two nickel atoms in a compound
n
(inorganic chemistry) The cation O₂⁺
n
(chemistry, especially in combination) Two thallium atoms in a molecule.
n
(chemistry) A solid solution of two simple salts, often in a definite proportion
n
(chemistry) An element, atom, or radical having a valence of or combining power of two.
n
(chemistry, physics) Any diatomic exciplex
adj
(chemistry) Combined with fluorine; subjected to the action of fluoride.
n
(chemistry, in combination) Seven atoms of manganese in a chemical compound. Mg₇
adj
(chemistry) Composed of seven atoms
n
(physics, chemistry) exciplex
adj
(chemistry, of a salt) having six atoms of a univalent metal
n
(chemistry) Any chloride having six chlorine atoms
n
(chemistry) coordination in which the coordination number is 6
n
Molecular hydrogen (H₂), a colourless, odourless and flammable gas at room temperature.
n
Water as a chemical substance.
n
(inorganic chemistry) A complex, typically of a transition element, in which the hybridization of the central metal atom utilizes d orbitals from the shell inside that of the outermost occupied shell
n
(chemistry) reaction with lithium or an organolithium compound
n
(chemistry, obsolete) The metallic base of a fixed alkali, or alkaline earth; applied to sodium, potassium, and some other metallic substances whose metallic character was supposed to be not well defined.
n
(chemistry) Initialism of metal-organic framework. [(chemistry) Any of several highly porous, crystalline substances having a cage structure of metal ions coordinated to organic compounds; they have an application in the bulk storage of gases such as hydrogen]
n
(chemistry) One atom of calcium in a compound
adj
hydrated with a single molecule of water
n
(inorganic chemistry, in combination) A single lithium atom in a compound
adj
(chemistry) Having nine atoms in each molecule
adj
Alternative form of octatomic [(chemistry) Having eight atoms in each molecule]
adj
(chemistry, of a salt) having eight atoms of a univalent metal
adj
(chemistry) Having eight atoms in each molecule
adj
(chemistry, of a salt) Having five atoms of a univalent metal.
n
(chemistry) Any compound containing five carbonate groups in each molecule or unit cell
adj
(chemistry) Having a coordination number of five
n
(chemistry) An atom of this kind.
adj
(chemistry) tetrabasic
adj
(chemistry) Involving three molecules
adj
(chemistry) Having a coordination number of four.
n
(chemistry) Any compound containing atoms of four different elements
adj
(chemistry) Forming a complex with four nuclei, particularly used for ligands that link four metal atoms into a complex.
n
(chemistry, in combination) Four water molecules in a chemical compound.
adj
(chemistry) Having an atomic valence of 4.
adj
(inorganic chemistry) Pertaining to or containing the element thallium, especially with valence 3.
adj
(inorganic chemistry) relating to, or containing thorium
adj
(chemistry, of a base) Capable of combining with three molecules of a monobasic acid
n
(chemistry) An anion that has three negative charges
adj
(chemistry, of a molecule etc.) Consisting of three atoms.
adj
(chemistry, of a salt) having three atoms of a univalent metal
adj
(chemistry) Containing three atoms of chromium.
n
(inorganic chemistry, especially in combination) Three gold atoms in a compound.
n
(chemistry, in combination) Three atoms of iridium in a chemical compound.
n
(physics, chemistry) The normal, paramagnetic state of diatomic molecular oxygen.
n
A molecule composed of three protium atoms, or matter composed of such molecules. Symbol: ¹H₃.
n
(chemistry, in combination) Three iron atoms or cations in a molecule (Fe₃)
n
(inorganic chemistry) Any telluride having three tellurium atoms in each molecule or unit cell.
n
(chemistry) super-heavy water (T₂O)
n
(chemistry, obsolete) A vessel for separating liquids of different densities.
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