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| #1002090 in Books | 2013-06-20 | Original language:English | PDF # 1 | 5.80 x1.20 x8.30l,1.46 | File type: PDF | 304 pages||2 of 2 people found the following review helpful.| The Periodic Table in the Early Twentieth Century|By Jerry Zoeller|In the year 1900, 85 naturally occurring elements had been isolated and characterized. The new century had given rise to the identification of the halogens as members of the New Group 7 of the periodic table. Other recent discoveries, including radioactivity, the nature of isotopes, quantum theory, and atomic
In 1913, English physicist Henry Moseley established an elegant method for "counting" the elements based on atomic number, ranging them from hydrogen (#1) to uranium (#92). It soon became clear, however, that seven elements were mysteriously missing from the lineup--seven elements unknown to science.
In his well researched and engaging narrative, Eric Scerri presents the intriguing stories of these seven elements--protactinium, hafnium, rhenium, technetium, franc...
You easily download any file type for your gadget.A Tale of Seven Elements | Eric Scerri. A good, fresh read, highly recommended.
