Fine Art

In chemistry, a polar bond is a type of covalent bond between two atoms in which electrons are shared unequally. Because of this, one end of the molecule has a slightly negative charge and the other a slightly positive charge. For details, see:

* Chemical polarity
* Covalent bond
* Bond dipole moment
* Partial charge
* Molecular dipole
* Electronegativity

Intramolecular
(strong)
Covalent
By symmetry

Sigma (σ), Pi (π), Delta (δ), Phi (φ)
By multiplicity

1 (single), 2 (double), 3 (triple), 4 (quadruple), 5 (quintuple), 6 (sextuple),
Miscellaneous

Agostic, Bent , Coordinate (dipolar) , Pi backbond , Charge-shift ,

Hapticity, Conjugation, Hyperconjugation, Antibonding,
Resonant

Electron deficiency, (3c–2e, 4c–2e, ),  Hypercoordination, (3c–4e ), Aromaticity, (möbius, super, sigma, homo, spiro, σ-bishomo, spherical, Y- )
Metallic

Metal aromaticity
Ionic
    Intermolecular
    (weak)
    van der Waals
    forces
    Hydrogen

    Low-barrier, Resonance-assisted, Symmetric, Dihydrogen bonds, C–H···O interaction,
    Noncovalent
    other

    Mechanical, Halogen, Aurophilicity, Intercalation, Stacking, Cation–pi, Anion–pi, Salt bridge,

    Chemistry Encyclopedia

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