Which pair of atoms has the highest electronegativity difference?_x005F_x000D_ Â _x005F_x000D_ (Calcium's electronegativity is 1.0 _x005F_x000D_ Fluorine's electronegativity is 4.0 _x005F_x000D_ Hydrogen's electronegativity is 2.2 _x005F_x000D_ Sodium's electronegativity is 0.93)

Which pair of atoms has the highest electronegativity difference?_x005

1.	Which pair of atoms has the highest electronegativity difference?_x005F_x000D_ Â _x005F_x000D_ (Calcium's electronegativity is 1.0 _x005F_x000D_ Fluorine's electronegativity is 4.0 _x005F_x000D_ Hydrogen's electronegativity is 2.2 _x005F_x000D_ Sodium's electronegativity is 0.93)
A.	F-F
B.	Ca-F
C.	H-F
D.	Na-F
Answer» E.