alleryWho introduced the term covalent bond, in 1919?
ALinnaeus
BLangmuir
CLavoisier
DLorentz
Answer & Solution
Correct answer: B. Langmuir
1. The refinement came three years after the original theory.
2. It abandoned the cubical arrangement of the octet.
3. Langmuir in 1919 refined the Lewis postulations and introduced the term covalent bond.
4. So the answer is Langmuir.
_Source: syllabus Chemistry Part I, Unit 4 'Chemical Bonding and Molecular Structure'_
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