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Week 12 Chemistry

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candra
97 diapositives · 1.2K Views · Sep 03, 2014

Week 12 Chemistry. Electron Configuration, Lewis Dot Structures, Assessment 3. Write the Learning Target. Warm Up: 4 Minutes. Stay in your own seat. You should be working SILENTLY. CONSTRUCT THE COMPLETE ORBITAL NOTATION ELECTRON CONFIGURATION FOR ZINC. Agenda. Warm Up – 7 minutes

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Week 12 Chemistry
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  1. Week 12 Chemistry Electron Configuration, Lewis Dot Structures, Assessment 3

  2. Write the Learning Target Warm Up: 4 Minutes Stay in your own seat You should be working SILENTLY CONSTRUCT THE COMPLETE ORBITAL NOTATION ELECTRON CONFIGURATION FOR ZINC

  3. Agenda • Warm Up – 7 minutes • Quiz Recap– 4 minutes • Cornell Style Notes/ Examples – 12 minutes • Guided Practice – 10 minutes • Independent Practice -17 minutes • Closing – 3 minutes

  4. Quiz Scores Period 1: 43% Period 3: 55% Period 4: 64% Period 5: 66% Period 6: 55% Period 7: 61%

  5. Take out paper for notes BLUE RED

  6. How many of you are tired of the full orbital configuration???

  7. Good News! There is a shorter way to write Electron Configurations! Shorthand Electron Configuration

  8. Identify the Element Aluminum 2p6 3s2 3p1 2s2 1s2

  9. Shorthand Electron Configuration Sublevel Energy Level Number of Electrons in sublevel 5f10

  10. Example Fluorine

  11. Example Potassium

  12. Example Zinc

  13. Guided Practice

  14. #1 Compose the Shorthand Electron Configuration for Argon. How many valence electrons are there?

  15. #2 Compose the Shorthand Electron Configuration for Zirconium. How many valence electrons are there?

  16. #3 Compose the Shorthand Electron Configuration for Palladium. How many valence electrons are there?

  17. Independent Practice  Practice Makes Perfect  85%

  18. Closing How many different ways can you express electron configuration?

  19. Write the Learning Target Warm Up: 3 Minutes Stay in your own seat You should be working SILENTLY Draw the shorthand electron configuration for Bromine

  20. Agenda • Warm Up- 7 minutes • Cornell Style Notes/Examples- 8 minutes • Guided Practice- 6 minutes • Independent Practice – 7 minutes • Stations Review: 24 minutes • Closing- 1 minute

  21. Take out paper for notes BLUE RED

  22. Lewis Dot Structures • Another way to represent electrons of an element • Element symbol represents the inner electrons • Dots represent the valence electrons

  23. How to find Valence Electrons? Numbers next to A to indicate the number of Valence Electrons

  24. How to Build Lewis Dot Structures • Identify number of valence electrons in the element • Place valence electrons around the element symbol

  25. How should we put the electrons around the element? Try Oxygen (6 valence electrons)

  26. IMPORTANT!!! YOU MUST PUT ONE ELECTRON ON EACH SIDE BEFORE PAIRING THEM UP

  27. Example Carbon

  28. Example Magnesium

  29. Example Neon

  30. Guided Practice

  31. 1. Compose the Lewis Dot Structure for Sodium

  32. 2. Compose the Lewis Dot Structure for Chlorine

  33. Practice Makes Perfect… Take out a piece of paper. Draw the Lewis Dot Structures for the first 10 elements. 85% MASTERY

  34. Stations Review • You will have 4 minutes at each station • See how many problems you can complete in that time at each station. YOU MUST SHOW ALL WORK! • You will be turning this in at the end of class. Every problem you get correct will be worth an extra 0.5% on your exam this Thursday!

  35. Closing What information do you need to draw a Lewis Dot Structure?

  36. Warm Up: 4 Minutes The FM Radio station KJAZ broadcasts at 16.4 x 106 Hz. What is the wavelength of the Radio Waves broadcast by this station?

  37. Agenda • Warm Up- 7 Minutes • Purpose of Review/ Material Covered- 3 Minutes • Expectations for White Board Jeopardy- 3 Minutes • White Board Jeopardy- 37 Minutes • Closing- 3 Minutes

  38. Purpose of Reviewing • Prepare for Assessment 3

  39. Why Prepare? 85% 18 Questions

  40. Material Covered on Assessment 3 • Atomic Theory Scientists • Properties of Waves • Speed of Light Formula • Energy Formulas • Atomic Mass Calculations (Isotopes) • Electron Configuration • Lewis Dot Structures

  41. White Board Jeopardy Students will work in groups of 3 to 4 (Team number is on the desk in front of you). Students will need Dry Erase Board, Expo Marker, Periodic Table, and Eraser. NO NOTES are allowed during White Board Jeopardy

  42. White Board Jeopardy Team # How to Play??? Write your team number in the upper right hand corner During the song, you will work the problem shown in your lap INDIVIDUALLY. At the end of the Jeopardy song, you will talk with your group. When Mr. Ghosh says “Boards Up” , all students in group must have Identical responses on their Dry Erase Boards that are correct in order to receive FULL CREDIT. Boards that are not up will not be counted. You may be called on randomly to explain your answer. If I do this and you cannot explain correctly, your team will NOT receive credit.

  43. Scoring and Rules/Expectations Scoring: All questions are worth 1 point Rules/Expectations: No talking during the Jeopardy song Must be working individually during the song No arguing with Mr. Ghosh about scoring Must be explaining WHY during group work time Any violations of the rules/expectations will result in your team losing a point

  44. Prizes! The team that finishes with the most number of points will receive 5% extra credit on the Exam tomorrow.

  45. Which scientist led the experiment using the cathode ray tube that discovered the existence of the electron? • Democritus • Bohr • Thomson • Rutherford

  46. A wave with high energy has the following properties: • High frequency, long wavelength • High frequency, short wavelength • Low frequency, long wavelength • Low frequency, short wavelength

  47. The FM radio station 101.1 broadcasts at 61.6 x 107 Hz. What is the wavelength of the Radio Waves broadcast by this station? [Hint: c = 3.00 x 108 m/s] • 4.9 meters • 0.49 meters • 2.05 meters • 20.5 meters

  48. What is the difference between the atomic mass and the mass number? • The mass number only counts protons, not neutrons • The mass number is an average of the masses of all known isotopes • The mass number is the sum of the masses of the protons and neutrons • The mass number is the sum of the masses of the electrons and protons.

  49. Which of the following is the shorthand electron configuration for Arsenic? • 1s22s22p63s23p63d104s24p3 • 1s22s22p63s23p64s23d104p3 • 1s22s22p63s23p63d104s14p4 • 1s22s22p63s23p64s23d104p2

  50. Which of the following best describes the atomic theory of Niels Bohr? • Atoms consist of electrons circling in definite orbits around a positive nucleus • Atoms are composed of electrons in a cloud around a positive nucleus • Atoms can be easily split, at which time they become radioactive • An atom’s mass is determined by the mass of its neutrons