Presentation on theme: "Tuesday, March 19 th : “A” Day Wednesday, March 20 th : “B” Day (1:05 out) Agenda Chapter 6 Tests Go over ACT practice worksheets Sweet 16 Chemistry."— Presentation transcript:
Tuesday, March 19 th : “A” Day Wednesday, March 20 th : “B” Day (1:05 out) Agenda Chapter 6 Tests Go over ACT practice worksheets Sweet 16 Chemistry Compound Tournament “Riddled with Puns” worksheet Next time: Fun Labs Day!
Ch. 6 Tests “Covalent Compounds” ClassAverage Grade (out of 60) Average Percentage 1A52.5487.57% 3A51.9486.57% 2B53.3888.97% 3B53.2088.67%
ACT Practice Worksheets I wanted to take some time to go over these ACT practice worksheets that you completed some time ago…
Sweet 16 Chemistry Compound Tournament This worksheet is a fun play on the NCAA men’s division I basketball tournament, better known as “March Madness”. This worksheet will incorporate things you learned in Chapter 5: “Ions and Ionic Compounds”, as well as molar mass. You can use the “ion” app on the iPads and the “stable ions” charts that I gave you to help you complete the worksheet.
Sweet 16 Chemistry Compound Tournament Rules: 1 st round: write the formula after the name. The most number of atoms wins the bracket. 2 nd round: the greater number of ions wins the bracket. Semi-finals: higher charge on anion wins the bracket. Finals: larger molar mass wins the tournament!
Sweet 16 Chemistry Compound Tournament Choose a partner, get your iPads, and we’ll do the first one together… 1 st Round Sodium acetate: Na only has 1 valence electron and will lose it to form a 1 + ion. Use “ion” app or table on pg. 178 of your book to find the acetate polyatomic ion. Na + + CH 3 COO - NaCH 3 COO
Sweet 16 Chemistry Compound Tournament Sodium acetate = NaCH 3 COO Write the formula after the name… How many atoms are there in the formula? 8 Remember, the most number of atoms wins the bracket. If potassium thiocyanate has less than 8 atoms in the formula, sodium acetate wins the 1 st bracket and advances to the 2 nd round.
Sweet 16 Chemistry Compound Tournament 2 nd Round For the 2 nd round, the greater number of ions with the bracket. Sodium acetate only has 2 ions (Na + and CH 3 COO - ) so if the other formula has more than 2 ions, sodium acetate will lose.
Sweet 16 Chemistry Compound Tournament Semi-finals Look at the charge on the anion (the negative ion). The most charge on the anion will advance to the final round.
Sweet 16 Chemistry Compound Tournament Finals To win the tournament, the formula has to have the highest molar mass. Remember, to find molar mass, just add up the mass of each element in the molecule. Example: H 2 O: H: 2 (1.01) O: 16.000 18.02 g/mol
Sweet 16 Chemistry Compound Tournament Have fun and work together to complete the worksheet!
“Riddled with Puns” Worksheet With your partner, put your heads together and try to complete this worksheet… Have Fun!