Lanthanum
51Actinide — The atomic bomb dropped on Nagasaki had a plutonium charge.[1] The actinide or actinoid (IUPAC nomenclature) series encompasses the 15 metallic chemical elements with atomic numbers from 89 to 103, actinium thro …
52Óxido de lantano (III) — Nombre (IUPAC) sistemático …
53Samarium — promethium ← samarium → europium ↑ Sm ↓ …
54Didymium — (Greek: twin element) is a mixture of the elements praseodymium and neodymium. It is used in safety glasses for glassblowing and blacksmithing, especially when a gas (propane) powered forge is used, where it provides a filter which selectively… …
55Lanthancarbonat — Strukturformel    …
56Lanthanoid — The lanthanoid (according to IUPAC terminology) (previously lanthanide) series comprises the 15 elements with atomic numbers 57 through 71, from lanthanum to lutetium. [ [http://www.iupac.org/reports/periodic table IUPAC Periodic Table] ] [ [http …
57Superconductivity — is a phenomenon occurring in certain materials generally at very low temperatures, characterized by exactly zero electrical resistance and the exclusion of the interior magnetic field (the Meissner effect).The electrical resistivity of a metallic …
58Mischmetal — Carl Auer von Welsbach Mischmetal (from German: Mischmetall mixed metal ) is an alloy of rare earth elements in various naturally occurring proportions. It is also called cerium mischmetal, rare earth mischmetal or misch metal. A typical… …
59Scintillator — Scintillation crystal surrounded by various scintillation detector assemblies …
60Lead zirconate titanate — (Lead [Zirconium| x Titanium|1 x ] Oxygen|3 0 …
