CHEMISTRY 1.5: Electron Cloud Structure & Metal Ions (September 30, 2020)
IN CLASS TOPICS:
- Particles and waves: The central mystery of quantum mechanics - Chad Orzel (5)
- Waves- Crest and Trough (only first 1:50)
- What is Light? (5) (evolutionist leaning, but some good info.)
- The Science of Light and Color for Kids: Rainbows and the Electromagnetic Spectrum - FreeSchool (Start @ 1:12) (3)
- Bill Nye: Visible Spectroscopy of Elements (3)
- Atoms, Electrons, Photons, and Light (3)
- Shells, subshells, and orbitals | Atomic structure and properties | AP Chemistry | Khan Academy (Stop at 3:50)
FUN VIDEOS
HOMEWORK:
9 & 10th Graders:
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.
- 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.
- 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)
- What is meant by the term valence electrons?
- What is the principle quantum number?
- How many electrons can be in the first, second, third, and fourth energy levels each?
- What is the subshell quantum number? What is the orbital quantum number? What is the spin quantum number?
- What is "Hund's Rule"?
- What is the periodicity of the electron configuration as you move across the periodic table?
- What is a "Lewis Notation" (aka "Lewis Symbol")? Why is it important?
- What observations can you make to determine whether a substance in chemistry is dissolved?
