The Electronegativities for the Elements Vary from 0

Multiple Choice

The electronegativities for the elements vary from 0.7 for cesium to 4.0 for fluorine.The electronegativity for iodine is 2.5.Based entirely on the general guidelines for electronegativities and bond character,

A) binary compounds with iodine should all be polar covalent with a δ- on I.
B) binary compounds with iodine should all be polar covalent with a δ+ on I.
C) compounds with iodine may be ionic,polar covalent,or nonpolar covalent.
D) no binary compounds with iodine should be substantially ionic.