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Questions and Answers
Which type of bond is formed between the hydrogen and oxygen atoms in a water molecule?
Which type of bond is formed between the hydrogen and oxygen atoms in a water molecule?
- Ionic bond
- Hydrogen bond
- Polar bond
- Covalent bond (correct)
What causes the hydrogen atoms in a water molecule to have a partial positive charge?
What causes the hydrogen atoms in a water molecule to have a partial positive charge?
- Covalent bonds
- Lone electron pairs
- Hydrogen bonding
- Electrons pulled towards oxygen (correct)
Why is water considered a polar molecule?
Why is water considered a polar molecule?
- It dissolves ions and polar molecules
- It forms hydrogen bonds (correct)
- It has a cooling effect
- It has a high surface tension
What property of water allows it to dissolve ions and polar molecules?
What property of water allows it to dissolve ions and polar molecules?
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What property of water allows it to flow well and form an unbroken column in xylem vessels?
What property of water allows it to flow well and form an unbroken column in xylem vessels?
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Which property of water allows it to buffer changes in temperature?
Which property of water allows it to buffer changes in temperature?
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Why does ice float on water?
Why does ice float on water?
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Why is water's high specific heat capacity important for aquatic organisms?
Why is water's high specific heat capacity important for aquatic organisms?
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