1: The water molecule Quiz

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  1. NaOH (sodium hydroxide) will dissolve in water because it is…1
  2. Which one of these does a water molecule NOT do?1
  3. Water molecules can break apart into and H+ and an OH-. What is the OH- part called?1
  4. What percentage of an adult human body is water molecules?1
  5. Why does the “ear” side of the water molecule have a positive electrical charge?1
  6. What causes salt to dissolve in water?1
  7. When a molecule has one side that is more negative and one side that is more positive, we say that the atom is…1
  8. What do you call H3O?1
  9. The oxygen atom of the water molecule has a slightly negative charge to it.1
  10. An oxygen atom has how many protons?1
  11. Regular water never has any ions (H+ or OH-) in it.1
  12. What is another name for a hydrogen ion?1
  13. The Periodic Table is a complete list of all known…1
  14. The words “hydrogen ion” and “proton” can be used interchangeably.1
  15. How many protons does a hydrogen atom have?1
  16. Water is a polar molecule.1

    True / False

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