1: The water molecule Quiz

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  1. What is another name for a hydrogen ion?1
  2. Why does the “ear” side of the water molecule have a positive electrical charge?1
  3. NaOH (sodium hydroxide) will dissolve in water because it is…1
  4. The words “hydrogen ion” and “proton” can be used interchangeably.1
  5. Regular water never has any ions (H+ or OH-) in it.1
  6. Water is a polar molecule.1

    True / False

  7. An oxygen atom has how many protons?1
  8. What causes salt to dissolve in water?1
  9. Water molecules can break apart into and H+ and an OH-. What is the OH- part called?1
  10. When a molecule has one side that is more negative and one side that is more positive, we say that the atom is…1
  11. How many protons does a hydrogen atom have?1
  12. What do you call H3O?1
  13. The Periodic Table is a complete list of all known…1
  14. What percentage of an adult human body is water molecules?1
  15. Which one of these does a water molecule NOT do?1
  16. The oxygen atom of the water molecule has a slightly negative charge to it.1
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