Launch: 10/26 <ul><li>Grab your binder and  immediately  take a seat </li></ul><ul><li>Place homework (Mind Map) on desk <...
What are the 3 types of chemical bonds? – Part II Mr. Heffner 10/26/09
What is a chemical compound? <ul><li>A chemical compound is… </li></ul><ul><ul><li>a substance made of two or more atoms h...
What is a chemical compound? <ul><li>Two ways to represent compounds </li></ul><ul><ul><li>Drawing </li></ul></ul><ul><ul>...
What is a chemical compound? <ul><li>Two ways to represent compounds </li></ul><ul><ul><li>Drawing </li></ul></ul><ul><ul>...
What are the 3 types of bonds? <ul><li>Ionic </li></ul><ul><ul><li>Electrons are  exchanged  (or transferred) </li></ul></...
Is it ionic, covalent, or metallic? <ul><li>Example: LiCl </li></ul><ul><ul><li>Step #1: identify the atoms </li></ul></ul...
What are the 3 main categories? <ul><li>Example: LiCl </li></ul><ul><ul><li>Step #2: metal or nonmetal? </li></ul></ul>Met...
Is it ionic, covalent, or metallic? <ul><li>Example: LiCl </li></ul><ul><ul><li>Step #3: match the combination </li></ul><...
Is it ionic, covalent, or metallic? <ul><li>Example: H 2 O </li></ul><ul><ul><li>Step #1: identify the atoms </li></ul></u...
What are the 3 main categories? <ul><li>Example: H 2 O </li></ul><ul><ul><li>Step #2: metal or nonmetal? </li></ul></ul>Me...
Is it ionic, covalent, or metallic? <ul><li>Example: H 2 O </li></ul><ul><ul><li>Step #3: match the combination </li></ul>...
Practice Questions <ul><li>Practice Questions Worksheet </li></ul><ul><ul><li>Answer in complete sentences! </li></ul></ul>
Benchmark Scoring <ul><li>This does not count for a grade! </li></ul><ul><li>Switch papers with your partner </li></ul><ul...
Exit Slip <ul><li>In the chemical compound SOCl 2  there is/are  </li></ul><ul><ul><li>two chlorine atoms and two sulfur a...
Exit Slip <ul><li>In covalent bonding, </li></ul><ul><ul><li>valence electrons are exchanged. </li></ul></ul><ul><ul><li>o...
Exit Slip <ul><li>Ionic bonds form between which two types of elements? </li></ul><ul><ul><li>alkali and alkaline earth me...
Exit Slip <ul><li>What type of compound is H 2 SO 4 ? </li></ul><ul><ul><li>metallic </li></ul></ul><ul><ul><li>covalent <...
Exit Slip <ul><li>Which of the following is an example of an ionic compound? </li></ul><ul><ul><li>AlCl 3 </li></ul></ul><...
Homework <ul><li>Finish practice questions </li></ul>
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10/26 What are the 3 types of chemical bonds? - Part II

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10/26 What are the 3 types of chemical bonds? - Part II

  1. 1. Launch: 10/26 <ul><li>Grab your binder and immediately take a seat </li></ul><ul><li>Place homework (Mind Map) on desk </li></ul><ul><li>Why do atoms form bonds? </li></ul><ul><li>What subatomic particles are involved in bonding? </li></ul><ul><li>Label the following as metal, semimetal, or nonmetal </li></ul><ul><li>i. Si ii. Al iii. H iv. Ca v.Ni </li></ul>
  2. 2. What are the 3 types of chemical bonds? – Part II Mr. Heffner 10/26/09
  3. 3. What is a chemical compound? <ul><li>A chemical compound is… </li></ul><ul><ul><li>a substance made of two or more atoms held together by a chemical bond </li></ul></ul><ul><ul><li>a.k.a. molecule </li></ul></ul>just means “stuff”
  4. 4. What is a chemical compound? <ul><li>Two ways to represent compounds </li></ul><ul><ul><li>Drawing </li></ul></ul><ul><ul><li>Chemical formula </li></ul></ul><ul><ul><ul><li>2 Hydrogen atoms </li></ul></ul></ul><ul><ul><ul><li>1 Oxygen atom </li></ul></ul></ul>Chemical Bond H 2 O Subscript H H O
  5. 5. What is a chemical compound? <ul><li>Two ways to represent compounds </li></ul><ul><ul><li>Drawing </li></ul></ul><ul><ul><li>Chemical formula </li></ul></ul><ul><ul><ul><li>1 sodium atom </li></ul></ul></ul><ul><ul><ul><li>1 oxygen atom </li></ul></ul></ul><ul><ul><ul><li>1 hydrogen atom </li></ul></ul></ul>NaOH capital letter = different element Na H O
  6. 6. What are the 3 types of bonds? <ul><li>Ionic </li></ul><ul><ul><li>Electrons are exchanged (or transferred) </li></ul></ul><ul><ul><li>Between a metal and a nonmetal </li></ul></ul><ul><li>Covalent </li></ul><ul><ul><li>Electrons are shared </li></ul></ul><ul><ul><li>Between a nonmetal and a nonmetal </li></ul></ul><ul><li>Metallic </li></ul><ul><ul><li>Electrons are shared </li></ul></ul><ul><ul><li>Between a metal and a metal </li></ul></ul>Which electrons?
  7. 7. Is it ionic, covalent, or metallic? <ul><li>Example: LiCl </li></ul><ul><ul><li>Step #1: identify the atoms </li></ul></ul><ul><ul><ul><li>Li = lithium </li></ul></ul></ul><ul><ul><ul><li>Cl = chlorine </li></ul></ul></ul>
  8. 8. What are the 3 main categories? <ul><li>Example: LiCl </li></ul><ul><ul><li>Step #2: metal or nonmetal? </li></ul></ul>Metals Semimetals Nonmetals
  9. 9. Is it ionic, covalent, or metallic? <ul><li>Example: LiCl </li></ul><ul><ul><li>Step #3: match the combination </li></ul></ul><ul><ul><ul><li>a metal (Li) and a nonmetal (Cl) </li></ul></ul></ul>Ionic Li Cl
  10. 10. Is it ionic, covalent, or metallic? <ul><li>Example: H 2 O </li></ul><ul><ul><li>Step #1: identify the atoms </li></ul></ul><ul><ul><ul><li>H = hydrogen (X2) </li></ul></ul></ul><ul><ul><ul><li>O = oxygen </li></ul></ul></ul>
  11. 11. What are the 3 main categories? <ul><li>Example: H 2 O </li></ul><ul><ul><li>Step #2: metal or nonmetal? </li></ul></ul>Metals Semimetals Nonmetals
  12. 12. Is it ionic, covalent, or metallic? <ul><li>Example: H 2 O </li></ul><ul><ul><li>Step #3: match the combination </li></ul></ul><ul><ul><ul><li>two nonmetals (H) and a nonmetal (O) </li></ul></ul></ul>Covalent H H O
  13. 13. Practice Questions <ul><li>Practice Questions Worksheet </li></ul><ul><ul><li>Answer in complete sentences! </li></ul></ul>
  14. 14. Benchmark Scoring <ul><li>This does not count for a grade! </li></ul><ul><li>Switch papers with your partner </li></ul><ul><li>Transpose scores onto bubble sheet </li></ul><ul><ul><li>Hypothesis X 2 = 4 </li></ul></ul><ul><ul><li>Method X 2 = 8 </li></ul></ul><ul><ul><li>Diagram X 2 = 4 </li></ul></ul><ul><ul><li>Table of results X 2 = 4 </li></ul></ul><ul><ul><li>Longer report X 2 = 4 </li></ul></ul><ul><ul><li>Conclusion X 2 = 4 </li></ul></ul><ul><li>If it is a decimal, round down after doubling </li></ul>
  15. 15. Exit Slip <ul><li>In the chemical compound SOCl 2 there is/are </li></ul><ul><ul><li>two chlorine atoms and two sulfur atoms. </li></ul></ul><ul><ul><li>only one atom of each element. </li></ul></ul><ul><ul><li>the element solarium (So). </li></ul></ul><ul><ul><li>one sulfur atom, two chlorine atoms, and one oxygen atom. </li></ul></ul>
  16. 16. Exit Slip <ul><li>In covalent bonding, </li></ul><ul><ul><li>valence electrons are exchanged. </li></ul></ul><ul><ul><li>only metals interact with other metals. </li></ul></ul><ul><ul><li>valence electrons are shared </li></ul></ul><ul><ul><li>atoms become less stable due to the octet rule. </li></ul></ul>
  17. 17. Exit Slip <ul><li>Ionic bonds form between which two types of elements? </li></ul><ul><ul><li>alkali and alkaline earth metals </li></ul></ul><ul><ul><li>halogens and other halogens </li></ul></ul><ul><ul><li>metals and nonmetals </li></ul></ul><ul><ul><li>nonmetals and other nonmetals </li></ul></ul>
  18. 18. Exit Slip <ul><li>What type of compound is H 2 SO 4 ? </li></ul><ul><ul><li>metallic </li></ul></ul><ul><ul><li>covalent </li></ul></ul><ul><ul><li>ionic </li></ul></ul><ul><ul><li>none of the above </li></ul></ul>
  19. 19. Exit Slip <ul><li>Which of the following is an example of an ionic compound? </li></ul><ul><ul><li>AlCl 3 </li></ul></ul><ul><ul><li>CCl 4 </li></ul></ul><ul><ul><li>O 2 </li></ul></ul><ul><ul><li>Zn 2+ </li></ul></ul>
  20. 20. Homework <ul><li>Finish practice questions </li></ul>

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