Chemistry – Jan 18, 2017 P3 Challenge – Today’s Objective –

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Presentation transcript:

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.

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

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

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-

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

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

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.

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

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

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