1: The water molecule Quiz

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  1. The oxygen atom of the water molecule has a slightly negative charge to it.1
  2. What is another name for a hydrogen ion?1
  3. The Periodic Table is a complete list of all known…1
  4. When a molecule has one side that is more negative and one side that is more positive, we say that the atom is…1
  5. What do you call H3O?1
  6. Which one of these does a water molecule NOT do?1
  7. An oxygen atom has how many protons?1
  8. NaOH (sodium hydroxide) will dissolve in water because it is…1
  9. Water is a polar molecule.1

    True / False

  10. How many protons does a hydrogen atom have?1
  11. What percentage of an adult human body is water molecules?1
  12. Water molecules can break apart into and H+ and an OH-. What is the OH- part called?1
  13. Why does the “ear” side of the water molecule have a positive electrical charge?1
  14. Regular water never has any ions (H+ or OH-) in it.1
  15. What causes salt to dissolve in water?1
  16. The words “hydrogen ion” and “proton” can be used interchangeably.1
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