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Oro Grande School District
Oro or ORO, meaning gold in Spanish and Italian, may refer to: Music and dance * Oro (dance), a Balkan circle dance * Oro (eagle dance), an eagle dance from Montenegro and Herzegovina * Oro (song), "Oro" (song), the Serbian entry in the 2008 Eurovision Song Contest * ''ORO'', an album by Ufomammut * ''Óró – A Live Session'', an album by Máire Brennan * ''Oro: Grandes Éxitos'', an album by ABBA * Oro album, an RIAA certification for Spanish-language albums Places * Oro, Estonia, a village * Orø, an island in Denmark * Örö, a Finnish island northeast of Oskarshamn, Sweden * 4733 ORO, a main-belt asteroid * Oro City, Colorado, US, a ghost town * Oro County, Kansas Territory, a US county from 1859 to 1861 * Oro Moraine, Ontario, Canada, a glacial moraine * Oro Province, Papua New Guinea ** Oro Bay * Oro-Medonte or Oro, Ontario, Canada, a township * Yonggwang County or Oro, North Korea ** Oro concentration camp, a North Korean concentration camp for political prisoners Sp ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gold
Gold is a chemical element with the symbol Au (from la, aurum) and atomic number 79. This makes it one of the higher atomic number elements that occur naturally. It is a bright, slightly orange-yellow, dense, soft, malleable, and ductile metal in a pure form. Chemically, gold is a transition metal and a group 11 element. It is one of the least reactive chemical elements and is solid under standard conditions. Gold often occurs in free elemental ( native state), as nuggets or grains, in rocks, veins, and alluvial deposits. It occurs in a solid solution series with the native element silver (as electrum), naturally alloyed with other metals like copper and palladium, and mineral inclusions such as within pyrite. Less commonly, it occurs in minerals as gold compounds, often with tellurium (gold tellurides). Gold is resistant to most acids, though it does dissolve in aqua regia (a mixture of nitric acid and hydrochloric acid), forming a soluble tetrachloroaurate anion. Gold is ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
