The placement of Lawrencium (and few other elements) is the topic of this video about the periodic table.
Featuring Sir Martyn Poliakoff.
Videos on all elements: http://bit.ly/118elements
Link to the Nature paper discussed (it is not free to read the full paper)... http://bit.ly/1WcRbQq
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From the School of Chemistry at The University of Nottingham: http://bit.ly/NottChem
Periodic Videos films are by video journalist Brady Haran: http://www.bradyharan.com/
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