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 ...
Gethin: Francium. That's not an element that you ... and are placed in the first vertical column on the left of the periodic table. All the Group 1 elements are very reactive, and all react ...
It was recognized early on that the periodic table more or less fizzles out after ... Estimates suggest that there is only about 30 g of francium in the whole of the Earth's crust.
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