60 PT!! PLZ HELP ;(

1. ) The electronegativity difference between two oxygen (O) atoms in O=O bonds is ____.
0
3.5
7
4

2.) An electronegativity difference of 1.7 would indicate which type of bonding?
nonpolar
polar covalent if one element is metal
ionic if one element is metal
metallic

3.) A bond between carbon (C) and oxygen (O) would be considered ______.
nonpolar covalent
polar covalent
ionic
metallic

4.) A bond between carbon (C) and fluorine (F) would be considered _____.
nonpolar covalent
polar covalent
ionic
metallic

5.) The only bonds in a CCI4 molecule are _____.
nonpolar covalent
polar covalent
ionic
metallic