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Inorganic Chemistry

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3 domain-specific abstractions whose origin domain is Inorganic Chemistry.

  • D-block contraction — The smaller-than-expected atomic radii of period-four p-block elements caused by incomplete shielding from filled 3d electrons.
  • Inert-pair effect — The increasing stability of oxidation states two below the group valence among heavier p-block elements because the outermost ns² electron pair participates less readily in bonding, with relativistic and shielding effects contributing.
  • Oxidation state — A formal electron-bookkeeping value assigned to an atom by treating each heteronuclear bond as fully ionic according to an electronegativity convention.