Scerri, Eric R. <br/><br/>
A tale of seven elements /Eric Scerri. 

 - Oxford :  Oxford University Press,  (c)2013. 
 - 1 online resource 
<br/><br/>Includes bibliographical references. 
<br/><br/>Priority disputes and what constitutes the discovery of an element? --  Dalton, to the discovery of the periodic system --  The influence of modern physics --  Element 91, protactinium --  Element 72, hafnium --  Element 75, rhenium --  Element 43, technetium --  Element 87, francium --  Element 85, astatine --  Element 61, promethium --  Transuranium elements 93 and beyond. 
<br/><br/> 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 line up--seven elements unknown to science. In his well researched and engagingly narrative, Eric Scerri presents the intriguing stories of these seven elements--protactinium, hafnium, rhenium, technetium, francium, astatine and promethium. The book follows the historical order of discovery, roughly spanning the two world wars, beginning 
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<br/><br/><label>ISBN: </label>9780199875030 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>016218824  Uk 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Periodic table of the elements.<br/>Chemical elements.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic Books.
<br/><br/><label>LC Class. No.: </label>QD467  / .T354 2013