n
(chemistry) Any oxide of the elements of group II of the periodic table; they are not as basic as the alkalis, and not so soluble in water.
n
(inorganic chemistry) Any of the elements of group II of the periodic table; they are low-density metals that react readily with water to form strongly basic hydroxides, and with many acids to form salts.
n
Alternative spelling of alkaline earth [(chemistry) Any oxide of the elements of group II of the periodic table; they are not as basic as the alkalis, and not so soluble in water.]
n
(chemistry) Any intermetallic compound of aluminium and a more electropositive element
n
(chemistry) A simple qualitative chemical test for halides, using copper oxide.
n
(chemistry) Any intermetallic compound of beryllium with another metal; present in some alloys.
v
(chemistry) To maintain the acidity of a solution near a chosen value by adding an acid or a base.
n
The chemical element (Symbol Ca), with an atomic number 20. It is a soft, silvery-white alkaline earth metal which occurs naturally as carbonate in limestone and as silicate in many rocks.
n
(inorganic chemistry) A soft, white powder, Ca(OH)₂, obtained by the action of water on calcium oxide; slaked lime.
n
(chemistry) A chemical compound with the chemical formula Ca(MnO₄)₂, used in the textile industry, for sterilization of water, and as a deodorizer.
n
(chemistry) Tungsten carbide.
n
(dated, countable) A platin, that is, a platinum-based antineoplastic, of which class cisplatin is the archetypal member.
adj
(chemistry) Containing cobalt in oxidation state 3.
adj
(chemistry) Containing cobalt in oxidation state 2.
n
(inorganic chemistry) The dark green to red oxide of cobalt, CoO, used to manufacture coloured glazes in the ceramics industry
adj
(chemistry) Containing copper with an oxidation number of 2
n
(chemistry, especially in combination) Two antimony atoms in a molecule.
n
(chemistry, especially in combination) Two cerium atoms in a molecule.
n
A molecule composed of two tritium atoms, or matter composed of such molecules. Symbol: ³H₂ or T₂.
n
(chemistry, in combination) Twelve atoms of rhenium in a chemical compound. Re₁₂
n
(inorganic chemistry, in combination) Twelve sodium atoms or ions in a compound.
adj
(chemistry) Containing europium with valence two.
n
(chemistry, countable) A single atom of this element.
n
(chemistry, in combination) Six atoms of aluminium in a chemical compound.
adj
(obsolete) Relating to the chemical element mercury, or hydrargyrum.
n
(chemistry, medicine) Mercury (chemical element)
n
(rare, chemistry) protium
n
(obsolete, chemistry) Hydrogen, especially when formerly considered as a metal.
n
(obsolete, chemistry) nitrenium
v
(inorganic chemistry) To infuse a solid with krypton gas (especially with radioactive krypton-85).
n
(electrochemistry, uncountable) lithium titanate (“Li₄Ti₅O₁₂”)
adj
(chemistry) Containing manganese in its higher oxidation states.
adj
(chemistry) Containing manganese in its +2 oxidation state.
n
(chemistry) A chemical compound containing mercury.
n
(medicine, historical) A treatment with the metal mercury (now known to be toxic).
n
Obsolete spelling of mercurial [(obsolete) Any of the plants known as mercury, especially the annual mercury or French mercury (Mercurialis annua).]
adj
(obsolete, chemistry) Pertaining to or derived from mercury.
n
A homeopathic remedy involving mercury.
adj
(chemistry) Of a compound, containing mercury with an oxidation number of 1.
n
(sciences, historical) One of the elemental principles formerly thought to be present in all metals.
adj
(chemistry) Containing bivalent nickel.
n
(countable) A specific nitrogen atom within a chemical formula, or a specific isotope of nitrogen
n
(chemistry, in combination) Eight rhodium atoms or cations in a molecule (Rh₈)
n
(chemistry, in combination) Eight silver atoms or ions in a compound (Ag₈).
n
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, obsolete) platinum.
n
(chemistry) Any of several metals that resemble platinum in their chemistry; especially osmium, iridium and palladium
adj
(inorganic chemistry) Containing divalent platinum
n
In chemistry, a group of elements with related properties similar to that of platinum, notably high resistance to chemical activity, particularly oxidation and reaction with acids. The platinum group consists of the elements ruthenium, rhodium, palladium, osmium, iridium, and platinum. In the periodic table of the elements they are in period 5 or 6 and in groups 8, 9 or 10.
adj
(inorganic chemistry) Containing plutonium in a higher oxidation state.
n
(chemistry) An impure form of potassium carbonate (K₂CO₃) mixed with other potassium salts.
n
(colloquial) hydrogen sulfide
adj
(chemistry) Of or relating to scandium.
n
(chemistry, obsolete) scheelium; tungsten
n
(uncountable) A chemical element (symbol S) with an atomic number of 16.
adj
(inorganic chemistry) Of or pertaining to titanium, especially trivalent titanium.
n
(inorganic chemistry, in combination) Three atoms of rhenium in a compound.
n
(inorganic chemistry) a very hard, grey compound, chemical formula WC, used as an abrasive.
adj
(chemistry) containing tetravalent tungsten
n
(chemistry) an insoluble binary compound or uranium and nitrogen, (UN)ₙ, used as fuel rods in nuclear reactors
adj
Of, pertaining to, or containing vanadium.
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