Nurturing Life Sciences
#Id: 4307
#Id: 9271
#XL - R Botany
#Id: 7756
#XL - Q Biochemistry
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: 9903
#XL - T Zoology
#Id: 8610
#Id: 9432