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9th Grade Chapter 6 Lesson 2 Slideshare
9th Grade Chapter 6 Lesson 2 Slideshare
9th Grade Chapter 6 Lesson 2 Slideshare
9th Grade Chapter 6 Lesson 2 Slideshare
9th Grade Chapter 6 Lesson 2 Slideshare
9th Grade Chapter 6 Lesson 2 Slideshare
9th Grade Chapter 6 Lesson 2 Slideshare
9th Grade Chapter 6 Lesson 2 Slideshare
9th Grade Chapter 6 Lesson 2 Slideshare
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9th Grade Chapter 6 Lesson 2 Slideshare

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For Student Use Only

Published in: Business, Technology
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  • 1. Pgs. 142-146 For Student Use Only
  • 2. Chemical bonds are repeling forces. <ul><li>- Chemical Bonds are the attractive forces that link atoms together. </li></ul><ul><li>Chemical bonds are determined by valence electrons. </li></ul><ul><li>Atoms tend to gain or lose electrons to get 8e- in the outermost shell </li></ul>
  • 3. Covalent bonds share electrons. Ionic bonds are when opposite charges attract
  • 4. There is more than one kind of covalent bond? Covalent Bonds: -Single- 2 atoms chare single electron - Double- 2 pairs of electrons are shared - Triple- 3 pairs of electrons are shared - Non-polar- both atoms have equal share and strength - Polar- one atom has a stronger pull on the electrons
  • 5. What is a dipole molecule? <ul><li>Note: - Water- has oppositely charged ends (electrons are shared more at one side than the other) </li></ul><ul><li>- HCl is also an example of covalent bonding </li></ul>
  • 6. What best describes an ionic bond? <ul><li>All of the above </li></ul><ul><li>None of the above </li></ul><ul><li>Shared Bonding </li></ul><ul><li>No charges </li></ul><ul><li>Opposites attract </li></ul>
  • 7. How do atoms gain a charge? <ul><li>Note- In order to take or lose the electrons- there must be right conditions. </li></ul><ul><li>Elements are looking to fill their shell with 8 electrons. As electrons are gained or lost charges change. </li></ul><ul><li>Opposite charges attract. </li></ul>
  • 8. Is there more than one type of ionic bond? <ul><li>Ionic Crystals- mutually attracted ions formed orderly geometric arrangements </li></ul><ul><li>Ionic compounds always combine in fixed ratios </li></ul><ul><li>The simplest ratios are called the formula unit </li></ul>
  • 9. <ul><li>What makes all these devices work? </li></ul><ul><ul><li>Archimedes principle- object displace a volume equal to their own. </li></ul></ul><ul><li>What are constraints in subs and airships? </li></ul><ul><ul><li>Subs- hull </li></ul></ul><ul><ul><li>Airship- altitude </li></ul></ul>NOTE:

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