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Multiple Choice
When do hydrogen bonds occur?
A
When a molecule with partial charges contacts a molecule without partial charges
B
When a molecule with a low molecular weight is bonded to a molecule with a high molecular weight
C
When two atoms achieve stable electron configurations by sharing electrons with each other
D
When partial opposite charges on molecules come close enough to attract each other
Verified step by step guidance
1
Understand that hydrogen bonds are a type of weak chemical bond that occurs between molecules.
Recognize that hydrogen bonds typically form between molecules that have partial positive and partial negative charges.
Identify that these partial charges are often found in polar molecules, where there is an uneven distribution of electrons.
Note that hydrogen bonds occur when the partial positive charge of a hydrogen atom in one molecule is attracted to the partial negative charge of an electronegative atom (such as oxygen or nitrogen) in another molecule.
Conclude that hydrogen bonds are formed due to the attraction between these partial opposite charges, allowing the molecules to come close enough to interact.