1. Chemistry – Jan 18, 2017 P3 Challenge – Today’s Objective –
Write the formulas for
strontium iodide
dinitrogen monoxide
perchloric acid
Today’s Objective –
Review – (Nomenclature quiz makeups)
Test postponed until Friday Jan 20 due to loss of review day on Friday.

2. Chemistry – Jan 18, 2017 Objective – Review Assignment:
Study for Unit 4 Compounds Test on Jan 20
Agenda
Makeup quiz:
Group Nomenclature quiz
Individual Nomenclature quiz
All others work on review sheet

3. Review Worksheet
Matching polyatomic ions (memory) (15 pts) Use your flashcards to memorize the complete set.
Determine if the following compounds are ionic, covalent or acidic. (2 pts ea)
HCl
BaO
NO2
NH3
HNO3

4. Review Worksheet
Predict the compound that will form from the pair of elements. (3 pts ea)
Lithium and oxygen
Barium and chloride
zinc and sulfur
Determine the chemical formula for the ionic compound containing each pair of ions. (3 pts ea)
Ni3+ and OH-
NH4+ and S2-
Ca2+ and N3-
K+ and CO32-

5. Review Worksheet
Complete the table to determine the atomic and ionic Lewis diagrams. (3 pts ea)
Element
# Valence electrons
Atomic Lewis Diagram
# electrons gain/loss
Ionic charge
Ionic Lewis Diagram 13 S 14 Al

6. Review Worksheet
Draw the ionic Lewis structure for the compound that forms between the following elements. (4 pts ea)
15. Ca and I
16. Na and O
17. Ba and S

7. Review Worksheet
Determine a bond between the two element indicated will be polar, nonpolar or ionic (2 pts ea)
18. H – C
19. S – O
20. K – Cl
Note: Error on Electronegativity sheet: Sulfur is 2.5 not 3.5. (A corrected form will be supplied on the test.

8. Mixed Practice Name Formula hypobromous acid KCl nitrogen dioxide HCl
KCl
nitrogen dioxide
HCl
calcium sulfate
Ba(CN)2
nitric acid
Zn(C2H3O2)2
lithium selenide
I2F5
nickel (II) chloride
H3PO4
hydrosulfuric acid 
Cu2O 

9. Mixed Practice Answers
Name
Formula
hypobromous acid
HBrO 
potassium chloride 
KCl
nitrogen dioxide
NO2 
hydrochloric acid 
HCl
calcium sulfate
CaSO4 
barium cyanide 
Ba(CN)2
nitric acid
HNO3 
zinc acetate
Zn(C2H3O2)2
lithium selenide
Li2Se
diiodine pentafluoride  
I2F5
nickel (II) chloride
NiCl2 
phosphoric acid 
H3PO4
hydrosulfuric acid 
H2S
copper (I) oxide
Cu2O 

10. Exit Slip - Homework
Exit Slip: Draw the Lewis structure for the following compound:
Aluminum oxide
What’s Due? (Pending assignments to complete.)
Study for the Unit 4 Test
What’s Next? (How to prepare for the next day
Unit 4 Test on Jan 20