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Unformatted text preview: HW5 (Homework) BARAKAT FARRIS CH101, section 003, Fall 2008 Instructor: Lori Petrovich Web Assign Current Score: 4.959 out of 5 Due: Wednesday, September 10, 2008 11:59 PM EDT Description REMINDER: EXAM 1 on Friday, September 12, 2008 Title: Atomic Properties Chapter 3 Atomic Structure and Properties Sections 3.1-3.5 Electron Energy Diagrams 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. 0.41/0.41 points | 1/5 submissions How many core and valence electrons are in each of the following atoms? Atom core electrons valence electrons B 2 2 3 3 Se 28 28 6 6 Tl 78 78 3 3 2. 0.41/0.41 points | 1/5 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. Consider the energy level diagram for the valence orbitals of A, B, and C....
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