1. 10/1/2012 Standards: 1 (Str of the Atom) Objectives: Students will be able to do Str of the Atom wksht (handout) DUE END OF PERIOD Students will be able to, if given any 2, figure the 3rd - protons, neutrons, electrons Students will be able to do Dalton's Playhouse ex cr if they desire. DO NOW: 1. Atom has 35 electrons - # protons = __, # neutrons = __, what element is it? 2. Atom has 8 protons - # electrons = ____, # neutrons = __, what element is it? HOMEWORK: 1. Ch 4.3 PP's p. 99-104 11-17 (5 pts) Std 1 2. ChemThink.com Isotopes (3 Tutorial) (7 questions) (10 pts) Std 1 Due Tu by midnight. ========================================================== JOURNAL: 9/28 BASKET: 1. Ch 4 Assess (Mastering Concepts) p.112 29-39 (5 pts) Std 1

2. X Z A A = mass # = protons + neutrons Z = atomic # = protons X = atomic symbol

3. Average Mass - mass shown on periodic table average mass of all the atoms of an element on periodic table Consider all isotopes of atom and abundance of each p. 104 #16 Given Find Mass He is 4.003 amu He only has 2 isotopes He-3 He-4 Which isotope of He is more abundant?

4. Calculating the average atomic mass of an element The relative abundance of each isotope of an element is required to figure the average atomic mass. p. 104 #17 Given Find three isotopes of Mg 23.985 amu 78.99% abundance 24.986 amu 10.00% abundance 25.982 amu 11.01% abundance calculate ave atomic mass 23.985 amu x 78.99% abundance = 18.95 amu 24.986 amu x 10.00% abundance = 2.499 amu 25.982 amu x 11.01% abundance = 2.861 amu ---------- total = 24.31 amu

5. 10/2/2012 Standards: 1 (Str of the Atom) Objectives: Students will be able to do Str of the Atom wksht 2 (handout) Students will be able to do Dalton's Playhouse ex cr if they desire. DO NOW: Get started on Str of the Atom 2. Follow directions below. HOMEWORK: 1. Str of the Atom 2 (HANDOUT) - Do only problems circled. If you write answers on this sheet, you don't have to copy q's. For 35-39 do a,c,e only. (5 pts) Std 1 2. Practice Quiz 1.3 (Ch 2, 3, & 4) (HANDOUT) Questions 1-20. If you write answers on this sheet, you don't have to copy questions. (5 pts) Std 1 ========================================================== JOURNAL: 10/1 BASKET: 1. Ch 4.3 PP's p. 99-101 11-17 (5 pts) Std 1 Check today's HW page for answers to yesterday's Str of the Atom 1

8. Atomic # = protons = electrons protons + neutrons = mass # (atomic mass, rounded) Li - atomic # = 3 atomic mass # = 6.941 mass # = 7 B - atomic # = 5 atomic mass # = 10.811 mass # = 11 C - atomic # = 6 atomic mass # = 12.011 mass # = 12

9. Use these notes along with p. 106 - 107 of textbook to answer questions related to radioactive decay

10. Dalton's Playhouse - 10 points Extra Credit (see link on today's HW page.) Due 10/10 http://web.visionlearning.com/dalton_playhouse/ad_loader.html

11. 10/3/2012 Standards: 1 (Str of the Atom) Objectives: Students will be able to answer questions 21-41 from Practice Quiz 1.3 (Ch 2,3, & 4) Students will be able to work Radioactive Decay problems. Students will be able to do Dalton's Playhouse ex cr if they desire. DO NOW: 1. Read & try to understand today's HANDOUT HOMEWORK: 1. Practice Quiz 1.3 (Ch 2, 3, & 4) (HANDOUT) Questions 21-41. If you write answers on this sheet, you don't have to copy questions. (5 pts) Std 1 2. Help Sheet for Quiz 1.3 (Ch 2,3, & 4) (5 pts) Std: MISC ========================================================== JOURNAL: 10/2 BASKET: 1. Str of the Atom 2 (HANDOUT) - Do only problems circled. If you write answers on this sheet, you don't have to copy q's. For 35-39 do a,c,e only. (5 pts) Std 1 2. Practice Quiz 1.3 (Ch 2, 3, & 4) (HANDOUT) Questions 1-20. If you write answers on this sheet, you don't have to copy questions. (5 pts) Std 1

15. neutron =

16. 10/4/2012 Standards: 1 (Str of the Atom) 11 (Nuclear Chem) Objectives: Students will be able to answer questions 42-58 from Practice Quiz 1.3 (Ch 2,3, & 4) Students will be able to do Dalton's Playhouse ex cr if they desire. DO NOW: 1. If mass = 3.75g and density = 6.55g/mL, what is the volume? HOMEWORK: 1. Practice Quiz 1.3 (Ch 2, 3, & 4) (HANDOUT) Questions 42-58. If you write answers on this sheet, you don't have to copy questions. (5 pts) Std 1 2. Brush up your Help Sheet for Quiz 1.3 (Ch 2,3, & 4) (turn in tomorrow after Quiz 1.3 (5 pts) Std MISC ====================================================== JOURNAL: 10/3 BASKET: 1. Practice Quiz 1.3 (Ch 2, 3, & 4) (HANDOUT) Questions 21-41. If you write answers on this sheet, you don't have to copy questions. (5 pts) Std 1 2. Practice Problems Radioactive Decay 3. Help Sheet for Quiz 1.3 (Ch 2,3, & 4) (5 pts) Std: MISC Notebook Grading Schedule: Per 1 tomorrow Per 2 Monday Per 3 Tu

20. 1. Str of the Atom 2 (HANDOUT) - Do only problems circled. If you write answers on this sheet, you don't have to copy q's. For 35-39 do a,c,e only. (5 pts) Std 1 2. Practice Quiz 1.3 (Ch 2, 3, & 4) (HANDOUT) Questions 1-20. If you write answers on this sheet, you don't have to copy questions. (5 pts) Std 1

21. Interactive Chalkboard file - Detecting Radiation.mpg Video on how well different materials block the 3 basic types of radiation (emission): alpha (α particle) beta (β particle) gamma ( radiation) Bill Nye - Structure of the Atom (6.5 min) Shielding and penetration of the 3 types of radiation, simple animation on video (30 sec) http://www.youtube.com/watch?playne xt=1&v=9j62CVRw ZPc&list=TL1mNB- 0YDd-c Shielding and penetration of the 3 types of radiation, actual Geiger Counter (3.5 min) http://te achertu be.com /viewVi deo.ph p?vide o_id=1 05573 &sa=U &ei=Pf 2nTbiG MJKisA OZ59D 5DA&v ed=0C DMQtw IwBg& usg=A FQjCN E- DLVQg l9_vRl Yjh-- 5J3vaA kdVA http://www. youtube.co m/watch?v =ec8iomU S34U

23. 10/5/2012 Standards: MISC Objectives: Check for understanding with Quiz 1.3 (Ch 2,3,4) DO NOW: Clear desk and floors. On your desk you may have: food, gum, drink, calculator, scantron, pencil eraser, HELP SHEET HOMEWORK: 1. SN Ch 5.1 pages 57-61 (5 pts) Std 1 ====================================================== BASKET: 1. Practice Quiz 1.3 (Ch 2, 3, & 4) (HANDOUT) Questions 42-58. If you write answers on this sheet, you don't have to copy questions. (5 pts) Std MISC Notebook Grading Schedule: Per 1 today Per 2 Monday Per 3 Tu

24. If you see questions on the following topics on your quiz, these are from Ch 5 and were accidently put in this quiz. Raise your hand for the answer. frequencies valence electrons x-rays K + 273 = C Isotopes are also considered atoms

25. These Density problems are to be done on the back of the scantron in this area. You will need 2 fractions and an answer that is circled. If you are given g and mL, you only need to show your starting fraction.

26. 1. Make piles for scantron - in order, smallest # on top SPREAD quiz - in order, smallest # on top SPREAD Periodic Chart - in order, smallest # on top SPREAD help sheet