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Per NCERT §4.1, the KOSSEL-LEWIS approach (1916) explains chemical bonding in terms of which fundamental idea?
AAtoms swap protons
BAtoms vibrate at resonant frequencies
CAtoms attain noble-gas octet configurations by transferring or sharing valence electrons
DAtoms emit photons to bond
Answer & Solution
Correct answer: C. Atoms attain noble-gas octet configurations by transferring or sharing valence electrons
Per NCERT §4.1, Kossel + Lewis (1916) → atoms either transfer (ionic) or share (covalent) valence electrons to achieve a stable noble-gas octet.
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