Functional Groups with Carbon Singly Bonded to an Electronegative Atom Alkyl halide:C bonded to halogen (C-X) Alcohol:C bonded O of a hydroxyl group(C-OH) Ether:Two C's bonded to the same O(C-O-C) Amine:C bonded to N(C-N) ■ Thiol:C bonded to SH group(C-SH) ■ Sulfide:Two C's bonded to same S(C-S-C) Bonds are polar,with partial positive charge on C (+)and partial negative charge(⑧-）on electronegative atom Functional Groups with Carbon Singly Bonded to an Electronegative Atom „ Alkyl halide: C bonded to halogen (C-X ) „ Alcohol: C bonded O of a hydroxyl group ( C OH ) „ Ether: Two C’s bonded to the same O ( C  O  C ) „ Amine : C bonded to N ( C  N ) „ Thiol : C bonded to SH group ( C SH ) „ Sulfide: Two C’s bonded to same S ( C  S  C ) „ Bonds are polar, with partial positive charge on C ( δ+) and partial negative charge (δ−) on electronegative atom