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Tennessine. Tennessine is a synthetic chemical element; it has symbol Ts and atomic number 117. It has the second-highest atomic number and joint-highest atomic mass of all known elements and is the penultimate element of the 7th period of the periodic table. It is named after the region of Tennessee, where key research institutions involved in ...
Will Shortz. William F. Shortz (born August 26, 1952) is an American puzzle creator and editor who is the crossword editor for The New York Times. He graduated from Indiana University with a degree in the invented field of enigmatology. After starting his career at Penny Press and Games magazine, he was hired by The New York Times in 1993.
List of chemical elements. 118 chemical elements have been identified and named officially by IUPAC. A chemical element, often simply called an element, is a type of atom which has a specific number of protons in its atomic nucleus (i.e., a specific atomic number, or Z ). [ 1]
Discover the best free online games at AOL.com - Play board, card, casino, puzzle and many more online games while chatting with others in real-time.
The periodic table is a tabular arrangement of the chemical elements, organized by their atomic number, electron configuration, and chemical properties. It is a useful tool for understanding the patterns and trends of the elements and their interactions. Learn more about the history, structure, and significance of the periodic table on Wikipedia.
Theodor Benfey's arrangement is an example of a continuous (spiral) table. First published in 1964, it explicitly showed the location of lanthanides and actinides.The elements form a two-dimensional spiral, starting from hydrogen, and folding their way around two peninsulas, the transition metals, and lanthanides and actinides.
Unlike in some easier puzzles in other outlets, the number of words in the answer is not given in the clue—so a one-word clue can have a multiple-word answer. [ 26 ] The theme, if any, will be applied consistently throughout the puzzle; e.g., if one of the theme entries is a particular variety of pun, all the theme entries will be of that type.
He is best known for the invention of the crossword puzzle in 1913, when he was a resident of Cedar Grove, New Jersey. [5] Wynne created the page of puzzles for the "Fun" section of the Sunday edition of the New York World. For the December 21, 1913, edition, he introduced a puzzle with a diamond shape and a hollow center, with the letters F-U ...