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Metal Chelate Complexes definitions

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Termini in questo insieme (15)

  • Ligand
    A molecule or ion acting as a Lewis base, donating a lone pair to a central metal cation to form a complex.
  • Lewis Base
    A species capable of donating an electron pair, often forming bonds with metal ions in coordination chemistry.
  • Lewis Acid
    A species, typically a metal cation, that accepts electron pairs from ligands to form coordination complexes.
  • Complex Ion
    A charged species formed when a central metal ion is surrounded by ligands through coordinate covalent bonds.
  • Adduct
    A product resulting from the direct combination of a metal ion and ligands, forming a new chemical entity.
  • Monodentate Ligand
    A ligand with only one atom capable of donating a lone pair to a metal ion, forming a single bond.
  • Bidentate Ligand
    A ligand containing two atoms, each able to donate a lone pair, allowing the formation of two bonds to a metal ion.
  • Polydentate Ligand
    A ligand with more than two donor atoms, enabling multiple bonds to a metal ion and increased complex stability.
  • Chelate Effect
    The enhanced stability observed when cyclic structures form due to multidentate ligands binding a metal ion.
  • Cyclic Structure
    A ring-like arrangement formed when a multidentate ligand binds a metal ion at multiple points.
  • Ligand to Metal Ratio
    The stoichiometric proportion of ligands to metal ions in a complex, typically 1:1 except for certain ligands like NTA.
  • EDTA
    A common polydentate ligand, ethylenediaminetetraacetate, known for forming highly stable complexes with metal ions.
  • NTA
    Nitrilotriacetic acid, a polydentate ligand notable for its 2:1 ligand to metal ratio in complex formation.
  • Chelating Agent
    A substance capable of forming several bonds to a single metal ion, effectively 'grabbing' it in a stable complex.
  • Donor Atom
    An atom within a ligand that provides a lone pair for bonding to a central metal ion in a coordination complex.