Hydrogen bond exemplifies a weak chemical bond.
- Hydrogen bond is weak because electrons are not transported to form opposing, attracting charges as they are in ionic bonds or shared as they are in covalent bonds.
- when hydrogen is covalently bonded to a more electronegative atom, that atom pulls the hydrogen's electron away from it, causing it to become attracted to nearby electronegative atoms with unpaired electrons. As a result, hydrogen has a slight positive charge.
- The electrostatic contact between the atoms caused by the gain or loss of electrons results in the formation of ionic bond which is the strongest bond.
- The sharing of electrons or the overlapping of two atomic orbitals results in the formation of covalent bonds.
- When two atoms share electrons equally, a non-polar covalent bond is created.
Therefore, among all these bonds hydrogen bond is the weakest.
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