Bonus_Replacement HW#2

Bonus_Replacement HW#2 - Bonus/Replacement HW#2 (Homework)...

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Unformatted text preview: Bonus/Replacement HW#2 (Homework) BARAKAT FARRIS CH101, section 003, Fall 2008 Instructor: Lori Petrovich Web Assign Current Score: 3.925 out of 5 Due: Tuesday, September 30, 2008 11:59 PM EDT Description Exam 2 is on WEDNESDAY, OCTOBER 1, 2008. By completing this assignment, you can both practice for Exam 2 and use this assignment to replace a past or future assignment you may have scored low on. Remember that Exam 2 is on paper, and you'll only have 1 "submission". Disclaimer: Practice exams will only get you so far. Some exam questions that were not asked during a previous semester may be asked this semester. Your best strategy is to study for the exams by reviewing your webassign homework assignments, taking a practice exam or two, and then re-studying those concepts you did not do well on in the practice. You must know the names and formulas of the following ions for Exam 2: acetate ion 1. hydroxide ion, hydronium ion 2. ammonium ion 3. cyanide ion 4. peroxide ion 5. carbonate ion 6. nitrate and nitrite ions 7. phosphate ion 8. sulfate and sulfite ions 9. perchlorate, chlorate, chlorite, and hypochlorite ions 10. perbromate, bromate, bromite, and hypobromite ions 11. periodate, iodate, iodite, and hypoiodite ions 12. permanganate ion, chromate ion, dichromate ion 13. Instructions The question submission scoring is as follows: Correct on first submission: full points Correct on second submission: full points Correct on third submission: full points Correct on fourth submission: 90% of points Correct on fifth submission: 80% of points Do NOT press 'submit all questions" when you are finished. This will do exactly as indicated, and submit all questions, reducing your score. The due date for this assignment is past. Your work can be viewed below, but no changes can be made. 1. 0.25/0.25 points | 1/5 submissions Following the energy ordering dictated by the periodic table, give the indicated electron configuration of the species below. Input format: [Ne] 3s 2 3p 1 would be typed in as [Ne]3s23p1 or [Ne] 3s2 3p1 Note: Spaces are ignored. You may use them to separate sublevels for clarity. a) Using a noble gas core write the electron configuration for Sn 2+ . Bonus/Replacement HW#2 1 of 10 12/14/08 3:06 AM [Kr]5s24d10 [Kr]5s24d10 b) Using only a nobel gas core write the electron configuration for Te 2- [Xe] [Xe] 2. 0.25/0.25 points | 3/5 submissions No Marks. To determine what portion of the question you have correct, click on question score at the top of the assignment. Be sure to refresh question score after each submission. Indicate the oxidation state of the specified atom in each of the following substances. The input format is +# or -#, with # as the integer value of the charge (1,2,etc)....
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This note was uploaded on 01/25/2011 for the course CH 101 taught by Professor Bigham during the Spring '08 term at N.C. State.

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Bonus_Replacement HW#2 - Bonus/Replacement HW#2 (Homework)...

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