General Biology
Name: ______________________
Block: __________
A Review of Inorganic Chemistry
1. Most living organisms are made up of only four elements. What are these elements?
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2. Why do you think living organisms are made up of these four elements in such high concentrations?
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3. What are trace elements? Name three of them.
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4. What are subatomic particles? Name them.
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5. The chemical behavior of an atom is dependent upon what? Why?
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6. Draw the electron configuration for the following elements; C, O, H, N, Na, and K.
7. What is a chemical bond?
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8. What is a covalent bond? Give an example of one with a drawing.
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9. Compare and contrasts between nonpolar and polar covalent bonds.
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10. What is an ionic bond? Give an example of one with a drawing.
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11. What is a hydrogen bond? What is the importance of weak bonds?
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12. Sketch a water molecule, showing its shape and the electron shells with the covalently shared electrons.
Indicate the areas with slight negative and positive charges that enable a water molecule to form hydrogen
bonds.
13. How is a molecule’s biological function related to its shape?
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14. What happens when a chemical bond is broken?
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15. Why do atoms bond with other atoms?
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