Look at the picture above. Oxygen has a slight negative charge in the water molecule, and the hydrogens have a slight positive charge. Why does oxygen attract electrons more strongly than hydrogen? (Hint: It has to do with the nucleus of oxygen vs the nucleus of hydrogen)
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Question 2
2.
Complete this sentence to make it true: Because water is a ____________ molecule, it is able to form multiple hydrogen bonds, which account for many of water's special properties.
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Question 3
3.
Surface tension is a unique property of water that wasn't mentioned much in your book. It refers to water molecules at the surface holding tightly to one another, which can allow insects (like the water strider in the gif above) to sit or stride along on top of the water.
How are water molecules able to hold so tightly to each other?
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Question 4
4.
What is the difference between cohesion and adhesion?
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Question 5
5.
Which of the following are some of the properties of water mentioned in Lesson 2.2? (Select all that apply)