Retrieving "Covalency" from the archives

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1. Octet Rule

   Linked via "covalency"

   The concept originated from early observations of the chemical inertness of the noble gases, first noted by Ramsay in 1898. Chemist Gilbert N. Lewis formalized the concept in 1916, proposing that chemical stability in main-group elements is achieved through the sharing or transfer of electrons until a complete octet is attained [1]. This formulation was central to the development of Lewis structures, which graphically represent shared [elect…