Study Session Notes from Sept 28
Study Session Notes from Sept 28 CHM 151
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This 3 page Study Guide was uploaded by Stefanie Bennett on Wednesday September 28, 2016. The Study Guide belongs to CHM 151 at Maricopa Community Colleges - Glendale Community College taught by Dr. Tina Palmer in Fall 2016. Since its upload, it has received 5 views. For similar materials see Intro to Chemistry in Chemistry at Maricopa Community Colleges - Glendale Community College.
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Date Created: 09/28/16
Study Session - September 28, 2018 Wednesday, September 28, 2016 6:05 PM 8. (11 pts) Complete the table below: Symbol Number of Number of Number of Atomic Mass Overall protons neutrons electrons number Number Charge 6Co 2+ 27 15 33 -3 ____ 9. (5 pts) In the following boxes, draw the given descriptions. Use circles for atoms and be sure to differentiate between atoms of different elements with some sort of shading or color scheme. a) A mixture of molecules and compounds b) A pure substance of compounds c) A pure substance of atoms d) A mixture of atoms e) A pure substance of molecules (8 pts) What is the maximum number of: a. electrons allowed in a yzorbital? ___________________ b. orbitals in the 4d subshell? ___________________ c. subshells in the 3 shell? ___________________ d. electrons in the 4 shell? ___________________ 18. (2 pts) Effective nuclear charge ______________________ (increases/decreases) as you move across a period and ___________________________ (increases/decreases) as you move down a group. Chapter 3 Page 1 ____ 13. (2 pts) Which following set of quantum numbers isnot possible, if any? a. n = 3 l = 2 m l +2 m s +1/2 b. n = 2 l = 1 ml= 0 m s -1/2 c. n = 3 l = 1 m l +2 m s -1/2 d. n = 4 l = 3 m l -2 m s +1/2 1. For a hydrogen atom, which electronic transition would result in thesion of a photon with the highest energy? A) 2s → 3p B) 3p → 6d C) 4p → 2s D) 5f→ 3d Chapter 3 Page 2 Chapter 3 Page 3
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