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7,1 MB
15 cze 13 23:31

Alkali and Alkaline-earth Metals (Periodic Table o f the Elements.pdf

Monica Halka, "Alkali and Alkaline-earth Metals (Periodic Table of the Elements)"

2010 | ISBN: 0816073694, 1438131844 | 208 pages | PDF | 7,1 MB

Scientists categorize the chemical elements as metals, nonmetals, and metalloids largely based on the elements' abilities to conduct electricity at normal temperatures and pressures, but there are other distinctions taken into account when classifying the elements in the periodic table. The alkali metals, for example, are metals, but have such special properties that they are given their own classification. The same is true for the alkaline earths.

Alkali and Alkaline Earth Metals presents the current scientific understanding of the physics, chemistry, geology, and biology of these two families of elements, including how they are synthesized in the universe, when and how they were discovered, and where they are found on Earth. With information pertaining to the discovery and naming of these elements as well as new developments and dilemmas, this new book examines how humans use alkalis and alkaline earths and their benefits and challenges to society, health, and the environment. Lithium, sodium, potassium, magnesium, and calcium are only a few of the topics covered in this full-color resource. Alkali and Alkaline Earth Metals provides students and scientists with an up-to-date understanding of each of the nonmetals—where they came from, how they fit into our current technological society, and where they may lead us.

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14,5 MB
15 cze 13 23:29

Halogens and Noble Gases (Periodic Table of the El ements).pdf

Halogens and Noble Gases (Periodic Table of the Elements) By Monica Halka

1 edition | 2010 | 192 Pages | ISBN: 0816073686 , 1438131380 | PDF | 14,4 MB

From School Library Journal

Gr 9 Up-Beginning with an overview of chemistry and physics, this volume is arranged into two sections: halogens and noble gases. Each one begins with an introduction to its family and is followed by chapters devoted to a single element or pairs of elements. The chapters focused on elements feature a chart highlighting key information: symbol, atomic number, melting and boiling point, etc. A description of the element follows and includes its discovery, naming, and role in history.

Information on key scientists is also included, when appropriate. An explanation of the chemistry of the element is provided, and each chapter concludes with an accounting of its specific technology and current uses, as well as the benefits and challenges it poses to society. Possible future uses and adaptations are also presented. Color illustrations and sidebars that clarify fundamental concepts appear throughout. The text concludes with a table of units and conversions, a list of acronyms, a periodic table of the elements, and a chronology of key events from 1731 to 2009. The writing and explanations are clear and would be appropriate for generalists as well as chemistry students.

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38,9 MB
15 cze 13 23:29

Monica Halka, Ph.D., and Brian Nordstrom, Ed.D-Lan thanides & Actinides (Periodic Table of the Elemen ts)-Facts on File.pdf

Lanthanides & Actinides (Periodic Table of the Elements)

Monica Halka, Ph.D., and Brian Nordstrom, Ed.D, ISBNS 9780816073726, Facts on File 2011, 38.9 MB

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