Search results for "F-number" - New World Encyclopedia
From New World Encyclopedia
- Neodymium Neodymium is frequently misspelled as neodynium. (chemical symbol Nd, atomic number 60) is a silvery metallic element that is a member ...12 KB (1,578 words) - 16:18, 11 November 2022
- Category:Politics and social sciences Category:Anthropologists Category:Biography Curtius, Ernst [[Image:Ernst Curtius.JPG|right|thumb|Ernst Curtius]] ...7 KB (1,047 words) - 19:34, 13 February 2024
- Crown ethers are heterocyclic chemical compounds that consist of a ring containing several ether groups. The most common crown ethers are oligomers ...6 KB (841 words) - 23:38, 5 May 2022
- Category:Economists Wieser, Friedrich von Friedrich von Wieser (July 10, 1851 – July 22, 1926) was an early member of the Austrian School of ...16 KB (2,487 words) - 03:17, 1 December 2023
- Scandium (chemical symbol Sc, atomic number 21) is a soft, silvery-white metal. Scandium ore occurs in rare minerals from Scandinavia and elsewhere ...12 KB (1,615 words) - 17:06, 25 January 2023
- In logic, two sentences (either in a formal language or a natural language) may be joined by means of a logical connective to form a compound ...27 KB (3,934 words) - 20:59, 3 November 2022
- The horn is a brass instrument that consists of tubing wrapped into a coiled form. The instrument was first developed in England as a hunting ...16 KB (2,716 words) - 14:17, 7 February 2024
- In physics, wavelength is the distance between repeating units of a propagating wave at a given frequency. It is commonly designated by the Greek ...6 KB (857 words) - 23:20, 3 May 2023
- The Truman Doctrine was a proclamation by United States President Harry S. Truman on March 12, 1947. It stated that the U.S. would support Greece ...9 KB (1,284 words) - 18:28, 2 May 2023
- Hafnium (chemical symbol Hf, atomic number 72) is a lustrous, silvery gray metal. Chemically, it resembles zirconium and is found in zirconium ...10 KB (1,277 words) - 16:40, 21 January 2024
- Butane, also called n-butane (normal butane), is an unbranched alkane with four carbon atoms in each molecule. Its molecular formula may be written ...10 KB (1,437 words) - 18:43, 23 November 2023
- In cosmology, the Steady State theory (also known as the Infinite Universe theory or continuous creation) is a model developed in 1948 by Fred ...10 KB (1,466 words) - 19:55, 9 February 2023
- Electromagnetic radiation (EM radiation or EMR) takes the form of self-propagating waves in a vacuum or in matter. EM radiation has both electric ...22 KB (3,329 words) - 15:54, 13 February 2024
- Polonium (chemical symbol Po, atomic number 84) is a rare, extremely toxic, and highly radioactive chemical element. It is found in small amounts ...11 KB (1,554 words) - 08:39, 24 November 2022
- Ernst Friedrich Ferdinand Zermelo (July 27, 1871, Berlin, German Empire – May 21, 1953, Freiburg im Breisgau, West Germany) was a German mathematician ...13 KB (2,116 words) - 21:23, 20 March 2024
- Praseodymium Praseodymium is frequently misspelled as praseodynium. (chemical symbol Pr, atomic number 59) is a soft silvery metallic element ...12 KB (1,535 words) - 22:14, 30 November 2022
- In music and music theory a chord (from Greek χορδή: gut, string) is three or more different notes that are played simultaneously, or near ...34 KB (5,534 words) - 17:56, 10 December 2023
- A nonmetal is a chemical element with several properties that are opposite those of a metal. Based on their properties, the elements of the periodic ...6 KB (785 words) - 02:40, 16 November 2022
- Category:Economists Category:Biography Miller, Merton Merton Howard Miller (May 16, 1923 – June 3, 2000) was an American economist. He won a ...11 KB (1,711 words) - 16:14, 9 November 2022
- Rhenium (chemical symbol Re, atomic number 75) is a silvery-white, lustrous, rare metal. Obtained as a byproduct of molybdenum refinement, it ...10 KB (1,384 words) - 20:01, 8 December 2022
