Wednesday, April 16, 2014

Physical Science 2 Unit 2 Day 5

Do Now
Objective: Students will make connections and evaluate their learning on unit CST using all the green words from the objectives on the tracker.

Questions: (REVIEW!)
1)
What type of reaction requires heat to happen?
 
  • A. Exothermic
  • B. Endothermic
  • C. Ionic
  • D. Liquid
2) How many atoms of each element are in the following compound?
 Li2CO3
 

3) What would a Lewis-Dot structure for BH3 look like? Is this a covalently bonded compound or an ionic compound?


Exit Ticket: complete the self-evaluation at the bottom of the unit tracker. Think about: how well can you draw and describe different types of bonds?