The Chemistry of Chlorine, Bromine, Iodine and Astatine PDF Download

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The Chemistry of Chlorine, Bromine, Iodine and Astatine

Author: A. J. Downs
Publisher: Elsevier
ISBN: 1483158322
Category : Science
Languages : en
Pages : 509

Book Description
The Chemistry of Chlorine, Bromine, Iodine and Astatine is a special edition that contains selected sections and addresses the needs of specialists in their respective fields. The text describes the general atomic properties of non-metals, particularly the halogens, as being the perfect series to study, both in physical and chemical terms. The book explains that the combination of the atomic properties implies excellent electronegativity values for the halogen atoms. The text also cites some behavior characteristics of halogens that are irregular, such as chlorine and bromine are similar but differ from fluorine on one side and iodine on the other. The book also compares the general methods of producing chlorine, bromine, or iodine by 1) oxidation of halide derivatives or 2) reduction of compounds of the halogens in positive oxidation states. The text then reviews the application of a complex valence theory that raises difficult questions about the bonding in halogen-oxygen molecules. The book also explains the biological behavior of astatine that accumulates in the liver or in the thyroid gland depending on the method of administration either as a radiocolloid or as a true solution. The book is suitable for molecular biologists and researchers, molecular chemists, and medical researchers.

The Chemistry of Chlorine, Bromine, Iodine and Astatine

Author: A. J. Downs
Publisher: Elsevier
ISBN: 1483158322
Category : Science
Languages : en
Pages : 509

The Battle for the Bs

Author: Blair Davis
Publisher: Rutgers University Press
ISBN: 0813553245
Category : Performing Arts
Languages : en
Pages : 275

Book Description
The emergence of the double-bill in the 1930s created a divide between A-pictures and B-pictures as theaters typically screened packages featuring one of each. With the former considered more prestigious because of their larger budgets and more popular actors, the lower-budgeted Bs served largely as a support mechanism to A-films of the major studios—most of which also owned the theater chains in which movies were shown. When a 1948 U.S. Supreme Court antitrust ruling severed ownership of theaters from the studios, the B-movie soon became a different entity in the wake of profound changes to the corporate organization and production methods of the major Hollywood studios. In The Battle for the Bs, Blair Davis analyzes how B-films were produced, distributed, and exhibited in the 1950s and demonstrates the possibilities that existed for low-budget filmmaking at a time when many in Hollywood had abandoned the Bs. Made by newly formed independent companies, 1950s B-movies took advantage of changing demographic patterns to fashion innovative marketing approaches. They established such genre cycles as science fiction and teen-oriented films (think Destination Moon and I Was a Teenage Werewolf) well before the major studios and also contributed to the emergence of the movement now known as underground cinema. Although frequently proving to be multimillion-dollar box-office draws by the end of the decade, the Bs existed in opposition to the cinematic mainstream in the 1950s and created a legacy that was passed on to independent filmmakers in the decades to come.