Search
Search results
Displaying 151 - 160
magnesium
(Encyclopedia) magnesiummagnesiummăgnēˈzēəm, –zhəm [key], metallic chemical element; symbol Mg; at. no. 12; at. wt. 24.3050; m.p. about 648.8℃; b.p. about 1,090℃; sp. gr. 1.738 at 20℃; valence +2. In…Iceland Department of State Background
U.S. Department of State Background Note Iceland Index: Geography People History Government Political Conditions Defense Foreign Relations U.S.-Icelandic Relations GEOGRAPHYIceland is a…Porifera
(Encyclopedia) CE5 A. Canal systems of the three morphological types of sponges B. Internal anatomy of an asconoid sponge, representative of the phylum Porifera PoriferaPoriferapōrĭfˈərə [key] […The Largest States in the U.S. by Area
The United States of America is a country of immense geographical diversity, with a landscape that spans from snow-capped mountains to sun-kissed beaches, arid deserts to lush forests. The country's…State of the Union Address: Ronald Reagan (January 25, 1983)
Ronald Reagan (January 25, 1983) Mr. Speaker, Mr. President, distinguished Members of the Congress, honored guests, and fellow citizens: This solemn occasion marks the 196th time that a President of…California
California State Information Capital: Sacramento Official Name: State of California Organized as a territory: August 14, 1848 Entered Union (rank): California entered the Union as the 31st…Chemical Elements Table
See the interactive periodic table.ElementSym-bolAtomicno.Atomicwt.SpecificgravityMeltingpoint °CBoilingpoint °CNo. ofisotopes1DiscovererYearActinium Ac 89 227210.0731051319811 Debierne/Giesel1899…iron
(Encyclopedia) iron, metallic chemical element; symbol Fe [Lat. ferrum]; at. no. 26; at. wt. 55.845; m.p. about 1,535℃; b.p. about 2,750℃; sp. gr. 7.87 at 20℃; valence +2, +3, +4, or +6. Iron is…October Current Events 2022: US News
Top of Page World News | Disaster News | Science & Technology News The world is a very busy place, and it's hard to stay on top of everything. Infoplease has got you covered. Here are the US…New York
New York State Information Official Name: State of New York Capital: Albany Organized as a territory: 1624 Entered Union (rank): July 26, 1788 (11th state) Present constitution adopted: 1777…