11/12/12 Veteran's Day NO SCHOOL 11/13/2012 Standards: 2 Objectives: a. Be able to figure relative lattice energies b. Be able to put + & - ions together to make molecular formulas for ionic compounds c. Be able to name ionic compounds with Type 2 metals (can have more than one charge). DO NOW: 1. Slap-it - using 10 ions - (see next page) - Mem Ions 2 this Fri. HOMEWORK: 1. ChemThink.com - Ionic Formulas - Tutorial (5 pts), Questions (10 pts) 2. Ch 8 Assess, p. 236 47-59 (don't do 56 or 58) - copy q's, give best answers 3. Help Sheet - Quiz 2.2 coming Thurs. ========================================================= BASKET: Journal 11/9 1. Write Chemical Formulas & Name - Practice (5 pts) Std 2 New Stamp Sheets front side 13-15 back side 16-18 Std 2 due Wed 11/14 Coming Friday 11/16 Lattice Energies are always given as negative numbers SIZE Smaller ion ===> more lattice energy Larger ion ===> less lattice energy INDIRECT CHARGE Larger (+ or -) ===> more lattice energy DIRECT Metals in Ionic Cmpds w more than 1 possible charge Roman numeral after metal cation (+) = anion (-) charge x its subscript ----------------------------------------------cation (+) subscript 11/14/2012 Standards: 2 (Chemical Bonding) Objectives: a. Be able to name ionic compounds, binary & poly anions. b. Be prepared for tomorrow's Quiz 2.3 (Ch 8 & all prior chapters) DO NOW: 1. Name these molecules: FeCl3 SnSO4 SnBr V(CO3)2 VCl5 2. Last night's homework problems. HOMEWORK: 1. Quiz 2.3 On-Line Pract. Quiz. DO NOT PRINT Copy or summarize q's, give correct ans, and page # with reason for your ans. Density problem requires GIVEN, FIND, & CALC (10 pts) =================================================== BASKET: Journal 11/13 1. Ch 8 Assess, p. 236 47-59 (leave out 56 & 58) (10 pts) Std 2 AT YOUR DESK: 1. Help Sheet (5 pts) Std MISC RESPONDERS VPO4 V(C2H3O2)2 Notebooks will be collected starting tomorrow (Thurs) Thurs 11/15 Per 1 & 2 Friday 11/16 Per 3 Mon 11/19 Per 5 & 6 Look for link for RUBRIC on Home Page of Website in ANNOUNCEMENTS (Roman numerals for 1-6) (Click on blue dot below & to the left, for YouTube video of the presentation of the following page) http://youtu.be/nrPsChYAI9g http://www.youtube.com/watch?v=nrPsChYAI9g&feature=youtu.be (or click on blue dot for video) Naming metals with more than 1 possible charge using Roman numerals Type 2 metal Fe 2, 3, 6 Compound Fe2O3 Fe(PO4)2 FeO Ru 2, 3, 4, 6, 8 RuP2 Ru2(SO4)3 Ru2(CO3)3 Nb 3, 4, 5 NbCl4 Nb2S5 Nb2O3 Tot - Name Show video on different oxidation states of V before stamping - demo transition metals that have multiple oxidation states. Interactive Chalkboard Do course2-assignment-ionic-formulas.notebook 4 question quiz w responders Do Ch-08-ionic-compound.notebook 16 questions w responders 11/15/2012 Standards: 2 (Chemical Bonding) Objectives: a. Check for Understanding - Ch 8.1-8.4 using Quiz 2.3 (60 pts) DO NOW: 1. Clear your desk of everything except: pencil, eraser, scantron, scratch paper, help sheet HOMEWORK: 1. SN 9.1 p. 107-110 Complete the ChemThink.com tutorial on Covalent Bonding before doing this exercise. It will simplify your life! 2. ChemThink.com - Covalent Bonding - Tutorial (5 pts) and Questions (10 pts) - Due Monday 11/19 by midnight. ============================================================ BASKET: Practice Quiz 2.3 (10 pts) Std 2 Remember - Mem. Ions 2 coming tomorrow (11 ions - ammonium ---> chlorite Density problems: Back of scantron Show Given & Find Show calculations (if the find is density, just show one fraction Circle answer Put everything in 5 stacks FIRST help sheet scratch paper THE FOLLOWING ARE IN ORDER - SMALLEST # ON TOP scantron periodic chart quiz 11/16/2012 Standards: 2 (Chemical Bonds) Objectives: a. Allow students to correct any problem in grading afftecting 15 wk grade b. check for understanding w Mem. Ions 2 (11 questions, 11 points) c. Be able to write Lewis Structures for COVALENT MOLECULES DO NOW: 1. Slap-it with the ions you will be quizzed on after the HW is stamped. HOMEWORK: 1. Make 5 more cards for Memorize Ions - chlorate ion, perchlorate ion, hydrochloric acid, sulfuric acid, phosphoric acid. 2. Ch 9.1 p. 244 pp's 1-5 (5 pts) Std 2 3. ChemThink.com - Covalent Bonding - Tutorial & Q's is Due Mon at midnight. =========================================================== Journal: 11/14 (DAY before quiz) BASKET: 1. SN Ch 9.1 p. 107-110 (5 pts) Std 2 RESPONDER QUIZ MON. (5 PTS) CFA for Chem Dept on Standard 1 RESPONDER QUIZ MON. (5 PTS) CFA for Chem Dept on Standard 1 How to prepare: 1. Go to "Standard Stuff" > "California St. Standards" 2. Click on "Expand Categories" on the right of the screen, just under the calendar 3. Every assignment given to you for this standard is show by "Strand". Peruse each strand's: State Standard Students Will Be Able To In Class Assignments Homework Labs Lecture Notes Look for anything that you don't understand and use Homework, Lecture Notes, & Tutorials to get a better understanding. ChemThink.com Covalent Bonding Tutorial as intro to COVALENT BONDING http://youtu.be/ZYrzHU7EpNM STD 2 Rules for drawing Lewis Structures of covalently bonded molecules 1. All atoms must have 8 of the available valence electrons (octet rule) 2. At the end, check to see that all of the valence electrons have been used NO MORE, NO LESS H2O Atom Valence Electrons O H H Total Bonding Unshared H O F2 Atom F Valence Electrons F Total Bonding Unshared F NH3 H Atom H Valence Electrons N Total Bonding H Unshared N H CH4 H H C Atom H Valence Electrons Total Bonding H C H Unshared Exceptions H 2 Be 4 B 6