metallic element
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| Noun | 1. |  metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.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; "lead, iron, copper, tin, and zinc are base metals" 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 matter 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, cobalt, Co - 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, curium, Cm - 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, einsteinium, Es, E - 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 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, gallium, Ga - 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, indium, In - a rare soft silvery metallic element; occurs in small quantities in sphalerite |
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