Isotopes

We extended our learning about neutrons yesterday with a lesson about isotopes.  The Lesson 13 PowerPoint explains how certain elements like carbon always contain the same number of protons, but may contain different numbers of neutrons.  Students then practiced calculating the number of protons, neutrons, and electrons on the Lesson 13 Worksheet.

Homework for this evening:

  • Read Lesson 13 in the textbook.  Login via hs.saplinglearning.com and enter your username and password:
    • Username: wahps****s-####### (**** = first 4 letters of your last name and ####### = student number).  Remember to include the dash between s and #.
    • Password: S-####### (the S must be capitalized)
  • Work through the homework problems at the end of Lesson 13 and then verify accuracy with the Lesson 13 Homework Answers.
  • Write notes for Lesson 13 on the Chapter 03 Notes handout.
  • Come to class tomorrow prepared to ask questions about anything of the homework problems from Lesson 13 you did not understand.
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