Minerals

a colorless solid amide of acetic acid used as a solvent and in the synthesis of organic compounds

a double sulphate of aluminum and potassium that is used as an astringent (among other things)

a silvery, flexible, metallic element

a chloride used as a wood preservative or catalyst

any organic compound containing the group -CONH2

an ion of nitrogen and hydrogen found in many salts and fertilizers

a white salt used in dry cells

used as an explosive and fertilizer and rocket propellant

without water; especially without water of crystallization

a metallic element having four allotropic forms

a hydrocarbon that contains one or more benzene rings that are characteristic of the benzene series of organic compounds

a salt or ester of arsenic acid

a very poisonous metallic element

a white powdered poisonous trioxide of arsenic

a compound of arsenic with a more positive element

a soft silvery metallic element of the alkali earth group

a white insoluble radiopaque powder used as a pigment

a colorless liquid hydrocarbon

a light strong brittle grey toxic bivalent metallic element

a salt of carbonic acid (containing the anion HCO3) in which one hydrogen atom has been replaced; an acid carbonate

a heavy brittle diamagnetic trivalent metallic element

a salt or ester of boric acid

a trivalent metalloid element

a nonmetallic heavy volatile corrosive dark brown liquid element belonging to the halogens; found in sea water

a soft bluish-white ductile malleable toxic bivalent metallic element; occurs in association with zinc ores

a yellow sulfide used chiefly as a pigment

a soft silver-white ductile metallic element

a white metallic element that burns with a brilliant light

a salt found in nature as chalk or calcite or aragonite or limestone

a deliquescent salt; used in de-icing and as a drying agent

a white crystalline oxide used in the production of calcium hydroxide

a phosphate of calcium; a main constituent of animal bones

a white salt (CaSO4)

a tasteless colorless powder used medicinally as a cathartic

a binary compound of carbon with a more electropositive element

treat with carbon dioxide

a ductile grey metallic element of the lanthanide series

hydrated blue crystalline form of copper sulfate

any compound containing a chlorine atom

any salt or ester of chromic acid

a hard brittle multivalent metallic element

a heavy reddish mineral consisting of mercuric sulfide

a hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition

a ductile malleable reddish-brown corrosion-resistant diamagnetic metallic element; occurs in various minerals but is the only metal that occurs abundantly in large masses; used as an electrical and thermal conductor

a copper salt made by the action of sulfuric acid on copper oxide

a compound containing two chlorine atoms per molecule

a salt of the hypothetical dichromic acid

an oxide containing two atoms of oxygen in the molecule

of or relating to or containing iron

a rare silvery metallic element

a brittle grey crystalline element that is a semiconducting metalloid (resembling silicon) used in transistors; occurs in germanite and argyrodite

a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons

naturally occurring crystalline sodium chloride

an organic compound containing only carbon and hydrogen

a salt of carbonic acid (containing the anion HCO3) in which one hydrogen atom has been replaced; an acid carbonate

containing combined water

a compound of an oxide with water

the monovalent group -OH in such compounds as bases and some acids and alcohols

any of a class of organic compounds that contain the divalent radical -CONHCO-

a rare soft silvery metallic element

a salt or ester of hydriodic acid

a heavy brittle metallic element of the platinum group

a compound containing two atoms of sulfur combined with iron

a white soft metallic element that tarnishes readily

a light, malleable, silver-white metallic element

a very white crystalline salt that occurs naturally as magnesite or as dolomite

a salt of magnesium

an oxide of iron that is strongly attracted by magnets

a hard brittle grey polyvalent metallic element that resembles iron but is not magnetic; used in making steel; occurs in many minerals

the mineral form of lead monoxide

having members

the smallest planet and the nearest to the sun

a heavy silvery toxic univalent and bivalent metallic element; the only metal that is liquid at ordinary temperatures

a reddish oxide of lead (Pb3O4) used as a pigment in paints and in glass and ceramics

a polyvalent metallic element that resembles chromium and tungsten in its properties; used to strengthen and harden steel

a hydrate that contains one molecule of water per molecule of the compound

a yellow trivalent metallic element of the rare earth group

a hard malleable ductile silvery metallic element that is resistant to corrosion; used in alloys; occurs in pentlandite and smaltite and garnierite and millerite

an alloy whose main constituent is nickel

a soft grey ductile metallic element used in alloys

(KNO3) used especially as a fertilizer and explosive

any compound containing the nitrate group

a compound containing nitrogen and a more electropositive element (such as phosphorus or a metal)

any polyhedron having eight plane faces

a hard brittle blue-grey or blue-black metallic element that is one of the platinum metals; the heaviest metal known

a salt or ester of oxalic acid

any compound of oxygen with another element or a radical

a silver-white metallic element of the platinum group that resembles platinum; occurs in some copper and nickel ores; does not tarnish at ordinary temperatures and is used (alloyed with gold) in jewelry

a salt of phosphoric acid

a colorless acid used to make dyes and perfumes

a light soft silver-white metallic element of the alkali metal group; oxidizes rapidly in air and reacts violently with water; is abundant in nature in combined forms occurring in sea water and in carnallite and kainite and sylvite

salt of potassium

an orange-red salt used in making dyes and in photography

a crystalline salt (KHCO3) that is used in baking powder and as an antacid

(KNO3) used especially as a fertilizer and explosive

a rare heavy polyvalent metallic element that resembles manganese chemically and is used in some alloys; is obtained as a by-product in refining molybdenum

a white hard metallic element that is one of the platinum group and is found in platinum ores; used in alloys with platinum

a rare polyvalent metallic element of the platinum group

a grey lustrous metallic element of the rare earth group

a white trivalent metallic element

a toxic nonmetallic element related to sulfur and tellurium

iron ore in the form of ferrous carbonate

a salt or ester derived from silicic acid

any of various compounds of silicon with a more electropositive element or radical

a tetravalent nonmetallic element

a white or colorless vitreous insoluble solid

a bromide that darkens when exposed to light

an iodide that is used in photography, in seeding clouds to make rain, and in medicine

a silvery soft waxy metallic element of the alkali metal group; occurs abundantly in natural compounds (especially in salt water); burns with a yellow flame and reacts violently in water; occurs in sea water and in the mineral halite (rock salt)

a white soluble compound (NaHCO3) used in effervescent drinks and in baking powders and as an antacid

a white crystalline solid consisting mainly of sodium chloride (NaCl)

a colorless crystalline salt of sodium (NaF) used in fluoridation of water and to prevent tooth decay

(NaNO3) used especially as a fertilizer and explosive

a solid white bitter salt used in manufacturing glass and paper and dyes and pharmaceuticals

a hard glassy mineral consisting of an oxide of magnesium and aluminum; occurs in various colors that are used as gemstones

a soft silver-white or yellowish metallic element of the alkali metal group; turns yellow in air; occurs in celestite and strontianite

a salt or ester of sulphuric acid

a compound of sulphur and some other element that is more electropositive

a hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite

any binary compound of tellurium with other more electropositive elements

a brittle silver-white metalloid element that is related to selenium and sulfur; it is used in alloys and as a semiconductor; occurs mainly as tellurides in ores of copper and nickel and silver and gold

any compound that contains four chlorine atoms per molecule

a soft grey malleable metallic element that resembles tin but discolors on exposure to air; it is highly toxic and is used in rodent and insect poisons; occurs in zinc blende and some iron ores

a soft silvery-white tetravalent radioactive metallic element; isotope 232 is used as a power source in nuclear reactors; occurs in thorite and in monazite sands

a light strong grey lustrous corrosion-resistant metallic element used in strong lightweight alloys (as for airplane parts); the main sources are rutile and ilmenite

a white powder used as a pigment for its high covering power and durability

any compound containing three chlorine atoms in each molecule

having three unequal crystal axes intersecting at oblique angles

an oxide containing three atoms of oxygen in the molecule

a salt of tungstic acid

a heavy grey-white metallic element

a heavy, silvery-white, radioactive, metallic element

the bivalent radical UO2 which forms salts with acids

the chief solid component of mammalian urine

a salt or ester of vanadic acid

a soft silvery white toxic metallic element used in steel alloys; it occurs in several complex minerals including carnotite and vanadinite

a hard nonresilient rubber formed by vulcanizing natural rubber

a soft silvery metallic element

a silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys

a bluish-white lustrous metallic element

oxide of zinc

a colorless water-soluble powder

a yellow to white crystalline fluorescent compound that occurs naturally as sphalerite or wurtzite and is used as a luminous pigment

a lustrous grey strong metallic element resembling titanium