In chemistry, a nucleophile is a chemical species that forms bonds by donating an electron pair. All molecules and ions with a free pair of electrons or at least one pi bond can act as …

Jun 5, 2012 · A nucleophile is a reactant that donates a pair of electrons to form a new covalent bond. An electrophile is a reactant that accepts a pair of electrons.

The thiol group in a cysteine amino acid, for example, is a powerful nucleophile and often acts as a nucleophile in enzymatic reactions, and of course negatively-charged thiolates (RS -) are …

A nucleophile is a reagent consisting of an atom, ion, or molecule that donates electron pair to form a bond. It is an electron-rich species that can be negatively charged or neutral with …

nucleophile, in chemistry, an atom or molecule that in chemical reaction seeks a positive centre, such as the nucleus of an atom, because the nucleophile contains an electron pair available …

Nucleophile is a word used to refer to substances that tend to donate electron pairs to electrophiles in order to form chemical bonds with them. Any ion or molecule having an …

Jun 6, 2025 · At its core, a nucleophile (from the Greek nucleus ‘kernel’ and philos ‘loving’) is a chemical species that donates an electron pair to form a chemical bond.