Final answer:
G. N. Lewis is known for creating Lewis electron dot symbols and highlighting the octet rule in covalent bonding through Lewis structures.
Step-by-step explanation:
G. N. Lewis is attributed with creating Lewis electron dot symbols, which are used for predicting the number of bonds an element will form in compounds. These symbols consist of the chemical symbol for an element surrounded by dots that represent its valence electrons. His concept also emphasizes the octet rule, which is crucial in understanding how atoms form compounds by achieving a stable arrangement of eight electrons in their valence shells. The options provided in the question pertain to various aspects of chemical bonding and structure, but G. N. Lewis is specifically and most directly associated with covalent bonding through the development of Lewis structures, which represent the sharing of electron pairs between atoms.