Actinide — 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 … Wikipedia
Samarium — promethium ← samarium → europium ↑ Sm ↓ … Wikipedia
Curium — This article is about the chemical element. For the ancient city located in Cyprus, see Kourion. americium ← curium → berkelium … Wikipedia
Curium — Américium ← Curium → Berkélium Gd … Wikipédia en Français
North America — North American. the northern continent of the Western Hemisphere, extending from Central America to the Arctic Ocean. Highest point, Mt. McKinley, 20,300 ft. (6187 m); lowest, Death Valley, 276 ft. (84 m) below sea level. 400,000,000 including… … Universalium
Neodymium(III) oxide — Neodymium(III) oxide … Wikipedia
Compounds of berkelium — Berkelium(IV) oxide Berkelium forms a number of chemical compounds where it normally exists in an oxidation state of +3 or +4 and behaves similarly to its lanthanide analogue, terbium. Contents … Wikipedia
Californium — Eigenschaften … Deutsch Wikipedia
Kalifornium — Eigenschaften … Deutsch Wikipedia