Handout_1 - 7 Which of the SPONCH(six most common elements...

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Chemistry Review for Bio 150 Dr. Roberts For each of the following you should be able to write several sentences or a paragraph of explanation. If you are unable to do so, please review your text and if necessary, see your instructor for help. 1. What determines atomic number and atomic mass? 2. Define: Isotope; Ion; Valence; 3. What is the difference between oxidation and reduction? What do they have in common? 4. What determines how many bonds atoms of an element can form? 5. Compare and contrast ionic and covalent bonds. 6. How many electron orbitals does Sodium (Na, atomic number 11) have?
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Unformatted text preview: 7. Which of the SPONCH (six most common) elements is most important to life? Explain your answer. 8. What is the major difference between C 12 and C 14 ? 9. What is the name of the element with the following configuration? a. 6p,6n, 6e b. 1p,1e c. 8p,8n,8e d. 7p,7n,7e 10. What is the difference between the energy level of an electron close to the nucleus of an atom and that of an electron distant from the nucleus? 11. For each of the following draw the correct structural formula. a. C 2 H 4 b. CH 3 COOH c. CH 4 d. H 2 O...
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