Updated for 2013, Energy and Movement, is one book in the Britannica Illustrated Science Library Series that covers today's most popular science topics, from digital TV to microchips to touchscreens and beyond. Perennial subjects in earth science, life science, and physical science are all explored in detail. Amazing graphics-more than 1, 000 per title-combined with concise summaries help students understand complex subjects. Correlated to the science curriculum in grades 5-9, each title also contains a glossary with full definitions for vocabulary.The table also made it possible, many years later, to discover chemical elements that had never been seen before but were predicted in the table. ... They include hydrogen, carbon, oxygen, and nitrogen, which are present also in living beings. ... That is to say, it must have eight electrons in its valence shell, as isthe case with the noble gases, which are not very reactive with other atoms. ... COVALENT BOND The atoms join together but do not lose or gain electrons: they share them.
|Title||:||Energy and Movement|
|Publisher||:||Encyclopaedia Britannica, Inc. - 2012-12-01|