atomic number 52
— Navneord
– Engelsk
～ 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
atomic number 50
— Navneord
– Engelsk
～ 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 8
— Navneord
– Engelsk
～ a nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes 21 percent of the atmosphere by volume; the most abundant element in the earth's crust
atomic number 78
— Navneord
– Engelsk
～ a heavy precious metallic element; grey-white and resistant to corroding; occurs in some nickel and copper ores and is also found native in some deposits
atomic number 21
— Navneord
– Engelsk
～ a white trivalent metallic element; sometimes classified in the rare earth group; occurs in the Scandinavian mineral thortveitite
atomic number 67
— Navneord
– Engelsk
～ a trivalent metallic element of the rare earth group; occurs together with yttrium; forms highly magnetic compounds
atomic number 7
— Navneord
– Engelsk
～ a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues
atomic number 93
— Navneord
– Engelsk
～ a radioactive transuranic metallic element; found in trace amounts in uranium ores; a by-product of the production of plutonium
atomic number 62
— Navneord
– Engelsk
～ a grey lustrous metallic element of the rare earth group; is used in special alloys; occurs in monazite and bastnasite
atomic number 40
— Navneord
– Engelsk
～ 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
atomic number 42
— Navneord
– Engelsk
～ a polyvalent metallic element that resembles chromium and tungsten in its properties; used to strengthen and harden steel
atomic number 12
— Navneord
– Engelsk
～ 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 57
— Navneord
– Engelsk
～ a white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth
atomic number 109
— Navneord
– Engelsk
～ a radioactive transuranic element
atomic number 51
— Navneord
– Engelsk
～ a metallic element having four allotropic forms; used in a wide variety of alloys; found in stibnite
atomic number 34
— Navneord
– Engelsk
～ a toxic nonmetallic element related to sulfur and tellurium; occurs in several allotropic forms; a stable grey metallike allotrope conducts electricity better in the light than in the dark and is used in photocells; occurs in sulfide ores (as pyrite)
atomic number 23
— Navneord
– Engelsk
～ a soft silvery white toxic metallic element used in steel alloys; it occurs in several complex minerals including carnotite and vanadinite
atomic number 66
— Navneord
– Engelsk
～ a trivalent metallic element of the rare earth group; forms compounds that are highly magnetic
atomic number 11
— Navneord
– Engelsk
～ 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 63
— Navneord
– Engelsk
～ a bivalent and trivalent metallic element of the rare earth group