Understanding Hydrogen Bonds
Hydrogen bonds form between molecules when a hydrogen atom is bonded to a highly electronegative atom (like oxygen, nitrogen, or fluorine) and is attracted to an electron pair on a nearby electronegative atom in another molecule.
Analyzing the Substances
* Fluoride (F-) : Fluoride ions are negatively charged and do not have the necessary hydrogen atoms to participate in hydrogen bonding.
* Water (H₂O): Water molecules have two hydrogen atoms bonded to an oxygen atom. These hydrogen atoms can form hydrogen bonds with the oxygen atoms of other water molecules.
* Ammonia (NH₃): Ammonia molecules have three hydrogen atoms bonded to a nitrogen atom. These hydrogen atoms can form hydrogen bonds with the nitrogen atoms of other ammonia molecules.
Conclusion
Fluoride (F-) is the substance that will not form hydrogen bonds.
