Source: wikibot/sigma-electron-donor-acceptor
= Sigma electron donor-acceptor
{wiki=Sigma_electron_donor-acceptor}
In chemical bonding, the term "sigma (σ) electron donor-acceptor" typically refers to a type of interaction between molecules or ions in which sigma (σ) bonds play a significant role. Here's a brief overview of these concepts: 1. **Sigma Bonds**: Sigma bonds are the strongest type of covalent bond formed by the head-on overlap of atomic orbitals.