Ch 2 and 3 study guide

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					                                         Ch 2 and 3 study guide
There are 10 multiple choice questions (1 pt each) and you choose 3 of 5 short answer questions (5 pts
each) to answer. There is also an extra credit question worth 5 points.
CH 2
   1. Know the steps of the scientific method
   2. Know the organization of life starting with atom and ending with organism
   3. What makes each element unique?
   4. Know how many electrons each shell of an atom has.
   5. If an atom has _____ electrons, how many are in the valence shell…?
   6. Explain how isotopes differ from elements
   7. Explain why water molecules form a weak bond

CH 3
  1.   What makes water cohesive?
  2.   What happens when water ionizes?
  3.   Why is “ice floats” important?
  4.   Know and be able to describe the characteristics of water
  5.   Explain hydrophilic and hydrophobic.
  6.   Do H+ ions make a solution more acidic or more basic?
  7.   Know the function of buffers




                                         Ch 2 and 3 study guide
There are 10 multiple choice questions (1 pt each) and you choose 3 of 5 short answer questions (5 pts
each) to answer. There is also an extra credit question worth 5 points.
CH 2
   8. Know the steps of the scientific method
   9. Know the organization of life starting with atom and ending with organism
   10. What makes each element unique?
   11. Know how many electrons each shell of an atom has.
   12. If an atom has _____ electrons, how many are in the valence shell…?
   13. Explain how isotopes differ from elements
   14. Explain why water molecules form a weak bond

CH 3
  8. What makes water cohesive?
  9. What happens when water ionizes?
  10. Why is “ice floats” important?
  11. Know and be able to describe the characteristics of water
  12. Explain hydrophilic and hydrophobic.
  13. Do H+ ions make a solution more acidic or more basic?
  14. Know the function of buffers

				
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