But it was not to be. Estimates suggest that there is only about 30 g of francium in the whole of the Earth's crust. In the 1930s it was the turn of Fred Allison from the Alabama Polytechnic ...
Ten years later, this remarkably skilled woman discovered the much sought after element francium. As a result, she was encouraged to study for a degree, and then for her PhD. Despite the fact that her ...
This expertise would lead her to the discovery of the bottom left corner of the periodic table: francium, element 87, the least electronegative element, and arguably the most difficult naturally ...
The least electronegative element is cesium (0.79 on the Pauling scale and left in the second row from the bottom in the periodic table). Note that older texts list both francium and cesium as least ...
Many countries are honoured in the periodic table. There's americium, germanium, polonium, and francium, to name but a few. Usually these place names reflect where their discoverer worked. But despite ...