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AP Biology Flashcards: Structure Of Water And Hydrogen Bonding

Study Structure Of Water And Hydrogen Bonding in AP Biology with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

Which type of bond holds the hydrogen and oxygen atoms together in a water molecule?

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ANSWER

Covalent bond. Electrons are shared between atoms within the molecule.

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AP Biology: Chemistry of Life

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What this deck covers

This deck focuses on Structure Of Water And Hydrogen Bonding, giving you a quick way to review the definitions, rules, and examples that matter most for AP Biology.

How to use these flashcards

Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Practice questions

1 of 20Practice questions for this set
A student compares liquid water and ice at the same volume and finds that ice has fewer water molecules in that volume than liquid water. Water molecules are polar and can form hydrogen bonds. In liquid water, hydrogen bonds form and break rapidly, allowing molecules to pack relatively close. In ice, hydrogen bonds stabilize a more open, repeating arrangement that holds molecules farther apart. This structural difference arises from hydrogen bonding patterns between water molecules. Which statement best explains why ice is less dense than liquid water? Which statement best explains why ice is less dense than liquid water?
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