List the 6 compounds in order from highest to lowest polarity? C-I,C-F,C-O,O-H,N-H,C-N.?

i know that u have to figure out the electronegativity but still i cant put them in order.


thanks in advance

List the 6 compounds in order from highest to lowest polarity? C-I,C-F,C-O,O-H,N-H,C-N.?
C-F (difference 1.5)


O-H (diff. 1.3)


C-O (1)


N-H (0.8)


C-N (0.5)


C-I (0.1)