Nurturing Life Sciences
#Id: 7756
Fluorine (the most electronegative element) is assigned a value of 4.0, and values range down to cesium and francium which are the least electronegative at 0.7
#Id: 9687
#XL - T Zoology
#Id: 9688
#Id: 9689
#Id: 9690
#Id: 9691
#Id: 9692