Unit 2: Math of Chemistry
Opener
 Copy question and answers
 Which representation is a structural formula?
 A. O
 B. OH
 C. H2O2
 D. H-O-O-H
Review
 Test
 Retake will be on Thursday after school
 You MUST sign up to retake
 Binder check
 Grades are in the gradebook
 Opener sheet
 Grades are in the gradebook
Standards List
 Another 2 week unit
 New standards
 This becomes the first page in your new binder check
Unit 2 Pre-Test
 Do your best
 Give as much information as possible
 Graded based on your effort
 Remember we will be using this throughout the unit
 20 minutes
Notes
 Notes today will be on the board
 Not that many
 Practice Problems at your seat
Opener
 Copy the question and answers
 What is the chemical formula of calcium cyanide?
 A. CaCN
 B. CaCN2
 C. Ca(CN)2
 D. Ca(CN)3
Review
 Pre-Test
 New Unit
Mini-Metric Olympics
 Reading
 Please read the information I have attached
 We will all take the Modern Olympics Pledge
 Teams
 Choose a captain
 Captain needs to make sure all team members are on task
 Each participant will complete the 6 tasks
 Keep track of your score
 The captain totals his team’s final score
Opener
 Copy the question and answers
 What is the correct chemical formula for iron (III)
sulfide?




A. Fe2S3
B. Fe3S2
C. Fe2(SO4)3
D. Fe3(SO4)2
Review
 Mini-Metric Olympics
 How far did your team get?
 Do you need to finish any tasks?
 Competitors
 Total your individual score
 Captains
 Total and average your team’s score
 Report to me your scores and turn in score sheets
Metric Conversions Lab
 In small groups
 Complete the lab assignment
 Make sure to share lab equipment
 I have provided the procedure

I am available to answer questions
Homework
 Design a Metric Conversions quiz
 You must include 15 questions
5 multiple choice
 5 word problems
 5 fill-in-the-blanks


You also must bring a separate answer sheet