Category: Database: Chemical elements

Uranium (U) is a dense, silvery-gray, weakly radioactive metal with atomic number 92, belonging to the actinide series of the…

Neptunium (Np) is a silvery, metallic, radioactive element with atomic number 93, belonging to the actinide series.  Its electron configuration…

Thorium (Th) is a silvery-white, moderately soft, and slightly radioactive metal with atomic number 90, belonging to the actinide series…

Actinium (Ac) is a soft, silvery-white, highly radioactive metal with atomic number 89, positioned in Group 3 of the periodic…

Ytterbium (Yb) is a soft, silvery-white, and fairly ductile rare earth metal with atomic number 70, belonging to the lanthanide…

Thulium (Tm) is a silvery-gray, soft, and malleable rare earth metal with atomic number 69, belonging to the lanthanide series…

Erbium (Er) is a silvery-white, soft, and moderately stable rare earth metal with atomic number 68, belonging to the lanthanide…

Holmium (Ho) is a silvery-white, relatively soft, and malleable rare earth metal with atomic number 67, belonging to the lanthanide…

Dysprosium (Dy) is a bright, silvery-white rare earth metal with atomic number 66, belonging to the lanthanide series of the…

Terbium (Tb) is a silvery-gray, malleable, and ductile rare earth metal with atomic number 65, belonging to the lanthanide series…

Barium (Ba) is a soft, silvery alkaline earth metal with atomic number 56, positioned in Group 2 of the periodic…

Lanthanum (La) is a soft, silvery-white metallic element with atomic number 57, marking the beginning of the lanthanide series in…

Cerium (Ce) is a soft, silvery metallic element with atomic number 58, belonging to the lanthanide series in the periodic…

Praseodymium (Pr) is a soft, silvery, ductile metallic element with atomic number 59, belonging to the lanthanide series of the…

Neodymium (Nd) is a hard, silvery metal with atomic number 60, belonging to the lanthanide series of the periodic table. …