stability valley
121Nanyue — For other uses, see Nanyue (disambiguation). Nanyue 南越国 ← …
122nuclear fission — fission (def. 2). [1885 90] * * * Division of a heavy atomic nucleus into two fragments of roughly equal mass, accompanied by the release of a large amount of energy, the binding energy of the subatomic particles. The energy released in the… …
123Isotopes of technetium — Technetium (Tc) is one of the two elements in the first 82 that have no stable isotopes (in fact, it is the lowest numbered element that is exclusively radioactive); the other such element is promethium. [ LANL Periodic Table , Technetium… …
124Gwynedd in the High Middle Ages — is a period in the History of Wales spanning the 11th, 12th, and 13th centuries (AD 1000 ndash;1300). The High Middle Ages were preceded by the Early Middle Ages and followed by the Late Middle Ages. Gwynedd is located in the north of… …
125Roman Catholicism — the faith, practice, and system of government of the Roman Catholic Church. [1815 25] * * * Largest single Christian denomination in the world, with some one billion members, or about 18% of the world s population. The Roman Catholic church has… …
126Slovenia — /sloh vee nee euh, veen yeuh/, n. a republic in SE Europe: formerly part of Yugoslavia. 1,945,998; 7819 sq. mi. (20,250 sq. km). Cap.: Ljubljana. * * * Slovenia Introduction Slovenia Background: The Slovene lands were part of the Holy Roman… …
127Latin American art — Introduction artistic traditions that developed in Mesoamerica, Central America, and South America after contact with the Spanish and Portuguese beginning in 1492 and 1500, respectively, and continuing to the present. This article… …
128political system — Introduction the set of formal legal institutions that constitute a “government” or a “ state.” This is the definition adopted by many studies of the legal or constitutional arrangements of advanced political orders. More broadly defined,… …
