Physical Science Unit 3 Day 3

Questions:

1. What is the law of conservation of mass? (book)
2. How do you balance chemical equations? (book or brain)

3. Which of the following are correctly balanced reactions? Write all the apply.
	A. 2Cs + Br2  2CsBr B. 2H2 + O2 2H2O C. C + F2  CF4 D. MgS + FeO  FeS + MgO Exit Ticket for Day 3:  Summarize your study guide from today. (1-2 sentences) How does this study guide relate to chemical reactions and chemical bonds?