CHEM 1201 : Fall 2012 Exam 3 With Answers
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Note: in the fall 2013, the exam will be only 50 minutes, the number of questions will be 18-20. Also, note that the coverege in the fall 2012 included sections of ch. This will not be the case in 2013. Encode your answers on the scantron sheet with soft pencil. A periodic table is provided on the last page. Turn in the scantron to the exam proctor. 3s: which element is represented by the following electron configuration: [xe] 6s2 4f14 5d10 6p5 , at, br, i, rn, fe. Which of the following orbital diagrams is an incorrect ground state electron configuration for an ion: fe2+: Al3: mg2+ only, k+ only, al3+ only, s2 only, p3 , s2 and k+ only. 3: an element that is a soft, gray solid reacts vigorously with water to produce a flammable gas and a basic aqueous solution.
