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This family overlaps with the first: when one of the two "factor" polygons is a square, the product is equivalent to a hyperprism whose base is a three-dimensional prism. The symmetry number of a duoprism whose factors are a p -gon and a q -gon (a " p,q -duoprism") is 4 pq if p ≠ q ; if the factors are both p -gons, the symmetry number is 8 p 2 .
The more stable Tc 6 and Tc 8 clusters have prism shapes where vertical pairs of Tc atoms are connected by triple bonds and the planar atoms by single bonds. Every technetium atom makes six bonds, and the remaining valence electrons can be saturated by one axial and two bridging ligand halogen atoms such as chlorine or bromine .
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I served as an Iowa state co-chair of the Nikki Haley for President campaign. I think both parties let us down by selecting two candidates for president in or near their 80s. I was at a loss. Then ...
From '90s Halloween costumes and entertainment to (arguablably) some of the best candy, millennial parents experienced a different type of Halloween—one which they often feel nostalgic for.
EGOT, an acronym for the Emmy, Grammy, Oscar, and Tony Awards, is the designation given to people who have won all four of the major American performing art awards. [1] [2] Respectively, these awards honor outstanding achievements in television, audio recording, film, and Broadway theatre. [3]
Six acts have multiple albums achieving 300 weeks on chart: Fleetwood Mac, Oasis, Ed Sheeran, Simon & Garfunkel, Arctic Monkeys and Adele. Of these, Oasis is the only act to have three albums pass the 300-week threshold, all of which subsequently passed the 400-week threshold, and the 500-week threshold, making them the first act with multiple ...
Box office. $171.6 million [1] No Country for Old Men is a 2007 American neo-Western crime thriller film written, directed, produced and edited by Joel and Ethan Coen, based on Cormac McCarthy 's 2005 novel of the same name. [2] Starring Tommy Lee Jones, Javier Bardem, and Josh Brolin, the film is set in the desert landscape of 1980 West Texas. [3]