Lewis Dot Symbols

Agenda for today:


To accommodate students who missed class yesterday because of the field trip, we had a two-pronged Entry Task.  Students who missed yesterday were directed to quickly take the Science Elective Survey.  Students who completed the survey (and those who finish in time today) were directed to complete the alternate entry task.  Resources for both are provided below:

Science Elective Survey (or use the QR code)Science Elective Survey QR CodeAlternate Entry Task:


We extended our learning of the HONC 1234 rule from Friday by introducing the concept of Lewis Dot Symbols and Structures. To solve the alternate entry task, students were reminded about how the HONC 1234 rule connects the concepts of valence electrons to the number of bonds each atom can make:


We used that understanding to solve the Lewis Dot Structures for the entry task:


Next, we worked through the Lesson 31 PowerPoint, writing down key vocabulary and reviewing Lewis Dot Symbols and how they assemble to create Lewis Dot Structures in our class notes. Students had the remainder of the class period to work in groups of four on the Lesson 31 Worksheet using the Lewis Dot Puzzle Pieces.

Keep Learning!

The videos below all include information about Lewis Dot symbols.  You are strongly encouraged to review them!


  • Read Lesson 31 in the textbook.  Login via hs.saplinglearning.com and enter your username and password.
  • Write notes for Lesson 31 and work through the practice problems at the end of Lesson 31.
  • Please ask questions about anything from Lesson 31 you do not yet fully understand.

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