atomic number 24
— Noun
– English
～ a hard brittle multivalent metallic element; resistant to corrosion and tarnishing
atomic number 84
— Noun
– English
～ 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 44
— Noun
– English
～ a rare polyvalent metallic element of the platinum group; it is found associated with platinum
atomic number 28
— Noun
– English
～ 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 71
— Noun
– English
～ a trivalent metallic element of the rare earth group; usually occurs in association with yttrium
atomic number 39
— Noun
– English
～ a silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys
atomic number 79
— Noun
– English
～ a soft yellow malleable ductile (trivalent and univalent) metallic element; occurs mainly as nuggets in rocks and alluvial deposits; does not react with most chemicals but is attacked by chlorine and aqua regia
atomic number 26
— Noun
– English
～ 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 99
— Noun
– English
～ a radioactive transuranic element produced by bombarding plutonium with neutrons
atomic number 64
— Noun
– English
～ a ductile silvery-white ductile ferromagnetic trivalent metallic element of the rare earth group
atomic number 59
— Noun
– English
～ 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 16
— Noun
– English
～ an abundant tasteless odorless multivalent nonmetallic element; best known in yellow crystals; occurs in many sulphide and sulphate minerals and even in native form (especially in volcanic regions)
atomic number 32
— Noun
– English
～ a brittle grey crystalline element that is a semiconducting metalloid (resembling silicon) used in transistors; occurs in germanite and argyrodite
atomic number 6
— Noun
– English
～ an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond; occurs in all organic compounds
atomic number 95
— Noun
– English
～ a radioactive transuranic metallic element; discovered by bombarding uranium with helium atoms
atomic number 116
— Noun
– English
～ a radioactive transuranic element
atomic number 20
— Noun
– English
～ 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 111
— Noun
– English
～ a radioactive transuranic element
atomic number 110
— Noun
– English
～ a radioactive transuranic element