Answer: Sigma bond.
- A Sigma bond
- B Pi bond
- C Hydrogen bond
- D Van der Waals force
Correct answer: A. Sigma bond
Explanation: Sigma bonds have maximum orbital overlap (head-on) and are the strongest covalent bonds.
VSEPR theory predicts molecular shape from the number of bonding and lone electron pairs around the central atom.
Concept context
Understand how atoms join to form molecules. Covers ionic and covalent bonding, VSEPR theory, hybridization (sp, sp², sp³), molecular orbital theory, bond polarity, and intermolecular forces like hydrogen bonding.
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