Answer:
D) hydrogen bonds
Explanation:
Hydrogen bonds are <em>intermolecular forces</em> — they are the forces of attraction between two different molecules.
For example, the partially positive H atom in HF is strongly attracted (H-bonded) to the partially positive F atom in a different HF molecule:
H-F···H-F.
All the other items are <em>intramolecula</em>r — they occur within a single molecule.
A) Electronegativity. <em>Wrong</em>. Arises between the two atoms that are bonded together in a single molecule<em>.
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B) Double bonds. <em>Wrong</em>. Occur between two adjacent bonds in a single molecule, e.g., propene, CH₃CH=CH₂.
C) Covalent bonds. <em>Wrong</em>. Occur in a single molecule, e.g., methane, CH₄.
