metallic element
Noun
-
Any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. (synset 114649636)
is a type of: chemical element, element - any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all mattersubtypes:
- heavy metal - a metal of relatively high density (specific gravity greater than about 5) or of high relative atomic weight (especially one that is poisonous like mercury or lead)
- base metal - a metal that is common and not considered precious
- noble metal - any metal that is resistant to corrosion or oxidation
- al, aluminium, aluminum, atomic number 13 - a silvery ductile metallic element found primarily in bauxite
- am, americium, atomic number 95 - a radioactive transuranic metallic element; discovered by bombarding uranium with helium atoms
- antimony, atomic number 51, sb - a metallic element having four allotropic forms; used in a wide variety of alloys; found in stibnite
- atomic number 56, ba, barium - a soft silvery metallic element of the alkali earth group; found in barite
- atomic number 97, berkelium, bk - a radioactive transuranic element; discovered by bombarding americium with helium
- atomic number 4, be, beryllium, glucinium - a light strong brittle grey toxic bivalent metallic element
- atomic number 83, bi, bismuth - a heavy brittle diamagnetic trivalent metallic element (resembles arsenic and antimony chemically); usually recovered as a by-product from ores of other metals
- atomic number 48, cadmium, cd - a soft bluish-white ductile malleable toxic bivalent metallic element; occurs in association with zinc ores
- atomic number 20, ca, calcium - a white metallic element that burns with a brilliant light; the fifth most abundant element in the earth's crust; an important component of most plants and animals
- atomic number 98, californium, cf - a radioactive transuranic element; discovered by bombarding curium with alpha particles
- atomic number 58, ce, cerium - a ductile grey metallic element of the lanthanide series; used in lighter flints; the most abundant of the rare-earth group
- atomic number 55, caesium, cesium, cs - a soft silver-white ductile metallic element (liquid at normal temperatures); the most electropositive and alkaline metal
- atomic number 24, chromium, cr - a hard brittle multivalent metallic element; resistant to corrosion and tarnishing
- atomic number 27, co, cobalt - a hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition
- atomic number 29, copper, cu - 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
- atomic number 96, cm, curium - a radioactive transuranic metallic element; produced by bombarding plutonium with helium nuclei
- atomic number 66, dy, dysprosium - a trivalent metallic element of the rare earth group; forms compounds that are highly magnetic
- atomic number 99, e, einsteinium, es - a radioactive transuranic element produced by bombarding plutonium with neutrons
- atomic number 68, er, erbium - a trivalent metallic element of the rare earth group; occurs with yttrium
- atomic number 63, eu, europium - a bivalent and trivalent metallic element of the rare earth group
- atomic number 100, fermium, fm - a radioactive transuranic metallic element produced by bombarding plutonium with neutrons
- atomic number 87, fr, francium - a radioactive element of the alkali-metal group discovered as a disintegration product of actinium
- atomic number 64, gadolinium, gd - a ductile silvery-white ductile ferromagnetic trivalent metallic element of the rare earth group
- atomic number 31, ga, gallium - a rare silvery (usually trivalent) metallic element; brittle at low temperatures but liquid above room temperature; occurs in trace amounts in bauxite and zinc ores
- atomic number 72, hafnium, hf - a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons
- atomic number 67, ho, holmium - a trivalent metallic element of the rare earth group; occurs together with yttrium; forms highly magnetic compounds
- atomic number 49, in, indium - a rare soft silvery metallic element; occurs in small quantities in sphalerite
- atomic number 77, ir, iridium - a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium
- atomic number 26, fe, iron - a heavy ductile magnetic metallic element; is silver-white in pure form but readily rusts; used in construction and tools and armament; plays a role in the transport of oxygen by the blood
- atomic number 57, la, lanthanum - a white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth
- atomic number 82, lead, pb - a soft heavy toxic malleable metallic element; bluish white when freshly cut but tarnishes readily to dull grey
- atomic number 3, li, lithium - a soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals
- atomic number 71, lu, lutecium, lutetium - a trivalent metallic element of the rare earth group; usually occurs in association with yttrium
- atomic number 12, magnesium, mg - a light silver-white ductile bivalent metallic element; in pure form it burns with brilliant white flame; occurs naturally only in combination (as in magnesite and dolomite and carnallite and spinel and olivine)
- atomic number 25, manganese, mn - a hard brittle grey polyvalent metallic element that resembles iron but is not magnetic; used in making steel; occurs in many minerals
- atomic number 80, hg, hydrargyrum, mercury, quicksilver - a heavy silvery toxic univalent and bivalent metallic element; the only metal that is liquid at ordinary temperatures
- atomic number 42, mo, molybdenum - a polyvalent metallic element that resembles chromium and tungsten in its properties; used to strengthen and harden steel
- atomic number 60, nd, neodymium - a yellow trivalent metallic element of the rare earth group; occurs in monazite and bastnasite in association with cerium and lanthanum and praseodymium
- atomic number 93, neptunium, np - a radioactive transuranic metallic element; found in trace amounts in uranium ores; a by-product of the production of plutonium
- atomic number 28, ni, nickel - a hard malleable ductile silvery metallic element that is resistant to corrosion; used in alloys; occurs in pentlandite and smaltite and garnierite and millerite
- atomic number 41, nb, niobium - a soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium
- atomic number 76, os, osmium - a hard brittle blue-grey or blue-black metallic element that is one of the platinum metals; the heaviest metal known
- atomic number 46, palladium, pd - 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
- atomic number 84, po, polonium - a radioactive metallic element that is similar to tellurium and bismuth; occurs in uranium ores but can be produced by bombarding bismuth with neutrons in a nuclear reactor
- atomic number 19, k, potassium - 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
- atomic number 59, pr, praseodymium - a soft yellowish-white trivalent metallic element of the rare earth group; can be recovered from bastnasite or monazite by an ion-exchange process
- atomic number 61, pm, promethium - a soft silvery metallic element of the rare earth group having no stable isotope; was discovered in radioactive form as a fission product of uranium
- atomic number 91, pa, protactinium, protoactinium - a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead
- atomic number 88, ra, radium - an intensely radioactive metallic element that occurs in minute amounts in uranium ores
- atomic number 75, re, rhenium - 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
- atomic number 45, rh, rhodium - a white hard metallic element that is one of the platinum group and is found in platinum ores; used in alloys with platinum
- atomic number 37, rb, rubidium - a soft silvery metallic element of the alkali metal group; burns in air and reacts violently in water; occurs in carnallite and lepidolite and pollucite
- atomic number 44, ru, ruthenium - a rare polyvalent metallic element of the platinum group; it is found associated with platinum
- atomic number 62, samarium, sm - a grey lustrous metallic element of the rare earth group; is used in special alloys; occurs in monazite and bastnasite
- atomic number 21, sc, scandium - a white trivalent metallic element; sometimes classified in the rare earth group; occurs in the Scandinavian mineral thortveitite
- atomic number 11, na, sodium - 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)
- atomic number 38, sr, strontium - a soft silver-white or yellowish metallic element of the alkali metal group; turns yellow in air; occurs in celestite and strontianite
- atomic number 73, ta, tantalum - a hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite
- atomic number 43, tc, technetium - a crystalline metallic element not found in nature; occurs as one of the fission products of uranium
- atomic number 65, tb, terbium - a metallic element of the rare earth group; used in lasers; occurs in apatite and monazite and xenotime and ytterbite
- atomic number 81, thallium, tl - 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
- atomic number 90, th, thorium - 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
- atomic number 69, thulium, tm - a soft silvery metallic element of the rare earth group; isotope 170 emits X-rays and is used in small portable X-ray machines; it occurs in monazite and apatite and xenotime
- atomic number 50, sn, tin - a silvery malleable metallic element that resists corrosion; used in many alloys and to coat other metals to prevent corrosion; obtained chiefly from cassiterite where it occurs as tin oxide
- atomic number 22, ti, titanium - 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
- atomic number 74, tungsten, w, wolfram - a heavy grey-white metallic element; the pure form is used mainly in electrical applications; it is found in several ores including wolframite and scheelite
- atomic number 92, u, uranium - a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons
- atomic number 23, v, vanadium - a soft silvery white toxic metallic element used in steel alloys; it occurs in several complex minerals including carnotite and vanadinite
- atomic number 70, yb, ytterbium - a soft silvery metallic element; a rare earth of the lanthanide series; it occurs in gadolinite and monazite and xenotime
- atomic number 39, y, yttrium - a silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys
- atomic number 30, zinc, zn - a bluish-white lustrous metallic element; brittle at ordinary temperatures but malleable when heated; used in a wide variety of alloys and in galvanizing iron; it occurs naturally as zinc sulphide in zinc blende
- atomic number 40, zirconium, zr - a lustrous grey strong metallic element resembling titanium; it is used in nuclear reactors as a neutron absorber; it occurs in baddeleyite but is obtained chiefly from zircon
- alkali metal, alkaline metal - any of the monovalent metals of group I of the periodic table (lithium or sodium or potassium or rubidium or cesium or francium)
- alkaline earth, alkaline-earth metal - any of the bivalent metals of group II of the periodic table (calcium or strontium or barium or magnesium or beryllium)
same as: metal
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