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Hydrogen Bonding quiz #3 Flashcards

Hydrogen Bonding quiz #3
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  • Why are hydrogen bonds considered weak individually but strong collectively?
    Individually, hydrogen bonds are weak because they involve partial charges rather than full ionic or covalent bonds, but collectively, many hydrogen bonds together can create significant strength and stability in biological structures.
  • Which three highly electronegative atoms are most commonly involved in hydrogen bonding?
    Fluorine, oxygen, and nitrogen are the three highly electronegative atoms most commonly involved in hydrogen bonding.
  • Can hydrogen bonds form between any hydrogen atom and any other atom? Explain your answer.
    No, hydrogen bonds only form between a hydrogen atom that is covalently bonded to a highly electronegative atom (like F, O, or N) and another electronegative atom, not just any atom.
  • What is a hydrogen bond and which atoms are typically involved in its formation?
    A hydrogen bond is an interaction between a hydrogen atom and a highly electronegative atom, typically fluorine, oxygen, or nitrogen.
  • Why are hydrogen bonds considered weak individually but strong collectively?
    Individually, hydrogen bonds are weak because they involve partial charges, but collectively, many hydrogen bonds together can create significant strength and stability in biological structures.
  • Which three highly electronegative atoms are most commonly involved in hydrogen bonding?
    Fluorine, oxygen, and nitrogen are the three highly electronegative atoms most commonly involved in hydrogen bonding.
  • Can hydrogen bonds form between any hydrogen atom and any other atom? Explain your answer.
    No, hydrogen bonds only form between a hydrogen atom that is covalently bonded to a highly electronegative atom (like F, O, or N) and another electronegative atom.
  • How do hydrogen bonds contribute to the properties of water?
    Hydrogen bonds allow water molecules to interact with each other, giving water unique properties that are essential for life.
  • What role do hydrogen bonds play in the structure of DNA?
    Hydrogen bonds form between nucleotides in DNA, helping to stabilize and maintain the structure of the DNA double helix.
  • What is a simple mnemonic to remember the three atoms that commonly form hydrogen bonds with hydrogen?
    You can remember 'FON' (fluorine, oxygen, nitrogen) by thinking that hydrogen bonds are 'pretty fun.'