Agenda and Homework for September 21

Do Now:
Please consider this released STAR test question:

Generally, how do atomic masses vary throughout the periodic table of the elements?

1. They increase from left to right and top to bottom.
2. They increase from left to right and bottom to top.
3. They increase from right to left and top to bottom.
4. They increase from right to left and bottom to top.

Announcement:

There will be a Unit 1 Quiz on Thursday. The quiz will contain materials from Chapters 1-4, as well as any other topics covered in class, such as questions from Einstein's Big Idea.

Agenda

1. Do Now
2. Review of Homework quiz
3. Review of density cube activity
4. Discussion of online grade posting
5. Homework review

Homework

p. 97 #79, 82, 84, 87, 90.