Attractive offer.The otherwise well-written and fascinating article "Diatom diatom (dī`ətŏm', -tōm'), unicellular organism of the kingdom Protista, characterized by a silica shell of often intricate and beautiful sculpturing. Most diatoms exist singly, although some join to form colonies. Menagerie" (SN: 7/17/04, p. 42) contains an error. You write, "Because magnesium magnesium (măgnē`zēəm, –zhəm), metallic chemical element; symbol Mg; at. no. 12; at. wt. 24.305; m.p. about 648.8°C;; b.p. about 1,090°C;; sp. gr. 1.738 at 20°C;; valence +2. is more strongly attracted to oxygen than to silicon, magnesium atoms elbow out the silicon ..." The correct statement would be, "Because magnesium is more strongly attracted to oxygen than silicon is attracted to oxygen, magnesium atoms elbow out the silicon...." FRED KOHLER Fred Kohler (April 20, 1888 – October 28, 1938) was an American actor known for his "heavy" style of character. Fred Kohler was born in Kansas City, Missouri. As a teen, he began to pursue a career in vaudeville, but worked other jobs to support himself. , ASHLAND, ORE Either sentence is correct, but MI: Kohler's is probably better. Both silicon and magnesium are competing fir oxygen, and the goal of the researchers is to produce magnesium oxide magnesium oxide: see magnesia. .--A. GOHO |
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