Question

which of the following describes hydrogen bonds?

they are stronger than covalent bonds.

they are about 90% as strong as covalent bonds.

they are about 5 - 10% as strong as covalent bonds.

they are stronger than ionic bonds.

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Explanation:

Hydrogen bonds are weak intermolecular forces, much weaker than intramolecular covalent and ionic bonds. Their strength typically falls in the range of 5-10% of the strength of a typical covalent bond.

Answer:

They are about 5 - 10% as strong as covalent bonds.