Average Atomic Mass of Chlorine Isotopes Calculation
"Learn how to calculate the average atomic mass of chlorine using the isotopes Cl-35 and Cl-37. Practice with subatomic particles, review elements, and complete related assignments in this chemistry challenge."
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Turn in your Beanium Activity Get out the Atoms, ions and Mass WS for a HMK check. Chemistry Nov 19, 2019 P3 Challenge- Find the average atomic mass of chlorine give that it has 2 isotopes: Cl-35 and Cl-37. 35Cl 34.968853 75.78% 37Cl 36.965903 24.22 % Agenda Homework Review Phet Build an Atom (get two stamps: for 1,2 games and 3,4 games) Assignment: Complete the Build an Atom Worksheet for Thurs, if you don t finish in class. Radioactivity Reading Assignment (#12 5 pts extra credit optional) Exit slip none put away laptops properly! Objective More Practice with Subatomic Particles.
Homework Review Element Oxygen Hydrogen Hydrogen Carbon Carbon Zinc Potassium Symbol Z 8 1 1 6 6 30 19 A 16 1 3 14 12 65 39 #p 8 1 1 6 6 30 19 #n 8 0 2 8 6 35 20 #e 10 1 0 6 6 30 18 charge 2- 0 + 0 0 0 + 16O2- 1H 3H+ 14C 12C 65Zn 39K+
Homework Review Element Titanium Antimony Uranium Silver Fermium Platinum Krypton Symbol Z A 48 122 238 108 257 195 84 #p 22 51 92 47 100 78 36 #n 26 71 146 61 157 117 48 #e 20 51 92 47 100 78 36 charge 2+ 0 0 0 0 0 0 48Ti2+ 22 51 92 47 100 78 36 122Sb 238U 108Ag 257Fm 195Pt 84Kr
Homework Review 1. Equal , Z = #p 2. A = #p+#n 3. # protons OR atomic number OR Z 4. charge = #p #e Show work for 5 and 6: (Mass)(Ab) + (Mass)(Ab) (Ab% in decimal form .move decimal 2 to left) 5. Li = 6.941 amu Agrees with Periodic Table 6. Ar = 39.947 amu Agrees with Periodic Table 7. 43.38% Na 8. 52.9% Al and 47.1 % O 9. 264 g carbon dioxide
Exit Slip Exit slip - none What s Due? (Pending assignments to complete.) Complete the Build an Atom Worksheet for Thurs, if you don t finish in class. Radioactivity Reading. #12 extra credit (5 pts) optional What s Next? (How to prepare for the next day) Read Holt p84 - 88
