Answered: 6. According to paragraph 5, "trace…

Physical Chemistry

2nd Edition

ISBN:9781133958437

Author:Ball, David W. (david Warren), BAER, Tomas

Publisher:Ball, David W. (david Warren), BAER, Tomas

Chapter9: Pre-quantum Mechanics

Section: Chapter Questions

Problem 9.18E

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Transcribed Image Text:6. According to paragraph 5, "trace amounts of plutonium and neptunium have been found naturally as well." From this sentence, trace most closely means: a. Outline b. A very small amount C. Mark d. Hint (6) "All elements with larger proton numbers have been created artificially in nuclear reactions," says the Helmholtz Center for Heavy lon Research in Germany, where the Swedish scientists made element 115. That means more than two dozen of all the known elements were artificially created. (7) Why create elements that disappear in a flash? Scientists hope one day to make one that doesn't, thus creating a brand new lasting element, Popular Science magazine reports. (8)But for this particular element, the researchers assert on their website, "any practical implications are seemingly far-fetched." The Swedish scientists have not given element 115 a name yet. Until they do, it has a temporary name: "Ununpentium." That may be harder to memorize than "element 115," but it is a scientific term made from Latin and Greek that basically means 1-1-5. 7. Describe the main ideas of paragraph 6 and 7. 8. Provide an accurate summary of the text as a whole. (Explain the development of Ununpentium- element 115.)

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