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WAEC SSCE - Chemistry - 2014 (Objective)

Question 1 Rapport

Hydrogen bonds are formed between molecules containing a hydrogen atom bonded to a
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Hydrogen bonds are a type of intermolecular force that forms between molecules containing a hydrogen atom bonded to a strongly electronegative atom such as oxygen, nitrogen or fluorine. These atoms have a partial negative charge due to their high electronegativity, which attracts the partially positive hydrogen atom of another molecule, forming a weak bond between them. This type of bonding is important in many biological processes, such as the structure of DNA and the folding of proteins, and also plays a role in the physical properties of substances such as water. Hydrogen bonds do not form with non-polar species, diatomic elements, or complex ions because they lack the necessary partial charges for the interaction to occur.
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