Atoms, Molecules, and Compounds (Essential Chemistry) by Phillip Manning

By Phillip Manning

"Atoms, Molecules, and Compounds" is going behind the curtain of daily chemistry to discover the atoms that govern chemical strategies. In transparent language, this interesting ebook indicates how the interactions among easy components resembling salt and water are an important to existence in the world and the way these interactions are predestined via the atoms that make up the molecules. furthermore, the tales of the scientists whose discoveries formed the fashionable global, equivalent to Niels Bohr and Albert Einstein, are awarded right here in gripping aspect. Brimming with full-color images and illustrations and more suitable by way of sidebars and a word list, "Atoms, Molecules, and Compounds" allows readers to discover the really good discoveries highlighted during this ebook.

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Extra info for Atoms, Molecules, and Compounds (Essential Chemistry)

Sample text

Understanding fusion invites another question: If fusing nuclei releases energy, how did the early atomic bombs work? In those bombs, nuclei were not fused, they were broken apart by nuclear fission. So, where does the energy of atomic bombs come from? An important piece of the answer came from a brilliant Jewish scientist who fled Nazi Germany shortly before World War II. Lise Meitner was an Austrian-born physicist who worked in Germany. Because she was a woman, she was denied permission to work in the research lab and was relegated to the carpenter’s workroom.

The atom, Rutherford concluded, was made up of two things: a tiny, heavy, positively charged nucleus surrounded by even tinier, and much lighter, negatively charged electrons. The nucleus of each element was unique. Iron had an iron nucleus; oxygen had an oxygen nucleus. Thus, the universe 29 30 atoms, molecules, and compounds was composed of electrons and the 92 different nuclei of the elements. That picture would soon change dramatically. Discovery of the Proton Scientists were aware that particles other than electrons might exist.

In those bombs, nuclei were not fused, they were broken apart by nuclear fission. So, where does the energy of atomic bombs come from? An important piece of the answer came from a brilliant Jewish scientist who fled Nazi Germany shortly before World War II. Lise Meitner was an Austrian-born physicist who worked in Germany. Because she was a woman, she was denied permission to work in the research lab and was relegated to the carpenter’s workroom. Nevertheless, her hard work and diligent research earned the respect of her coworkers.

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