Symbol (chemistry) the material was known in ancient times, while for others, the name is a more recent invention. For example, "He" is the symbol for helium (New Latin name, not known in ancient Roman times), "Pb" for lead ("plumbum" in Latin), and "Hg" for mercury ("hydrargyrum" in Greek). Some symbols come from other sources, like "W" for tungsten ("Wolfram" in German, not known in Roman times). Temporary symbols assigned to newly or not-yet synthesized elements use 3-letter symbols based on their atomic numbers. For example, "Uno" was the temporary symbol for hassium (element 108) which had the temporary name of "unniloctium".
Otherwise Known as Sheila the Great Otherwise Known as Sheila the Great Otherwise Known as Sheila the Great is a children's novel by Judy Blume, first published in 1972. It's the second book in the Fudge Series. The book centers on Sheila Tubman, a ten-year-old girl who masks her insecurities with a much more self-assured, confident person. In truth, she suffers from fears ranging from arachnophobia (fear of spiders and other arachnids), cynophobia (fear of dogs), and aquaphobia (fear of water). Her family decides to spend the summertime in Tarrytown, New York, where she is enrolled at a day camp and meets Merle "Mouse" Ellis, an