CHEMISTRY 1.5:  Electron Cloud Structure & Metal Ions (September 30, 2020)

IN CLASS TOPICS: 
FUN VIDEOS
HOMEWORK:
9 & 10th Graders: 
  • 2 Entries about this week's learning. 
  • Next week's assigned research (see below) due by Tuesday at 2:00; Send by email. 
  • Study for Quiz.
  • Practice Flashcards. Should have all  of them memorized by next class.
7th Graders: 
  • Draw (or find a picture about) and Write notes about 3 things you learned;
  • Study for quiz.
  • Practice Flashcards.  Should have all  of them memorized by next class.
5th Graders: 
  • Draw (or find a picture about) and Write notes about 2 things you learned. 
  • Practice Flashcards.  Should have all  of them memorized by next class.
ASSIGNED RESEARCH QUESTIONS 9th/10th Graders:  (2 each--Aubrey #1-2, Rye #3-4, GB #5-6, Carson #7-8)
  1. What is meant by the term valence electrons? 
  2. What is the principle quantum number? 
  3. How many electrons can be in the first, second, third, and fourth energy levels each?
  4. What is the subshell quantum number?  What is the orbital quantum number?  What is the spin quantum number?
  5. What is "Hund's Rule"? 
  6. What is the periodicity of the electron configuration as you move across the periodic table?
  7. What is a "Lewis Notation" (aka "Lewis Symbol")?  Why is it important?
  8. What observations can you make to determine whether a substance in chemistry is dissolved?