Lab 7 - Solid State Modeling

This experiment will be using the colorless green and

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Unformatted text preview: orner. This experiment will be using the colorless, green and blue spheres. There is also a picture of the "unit cell layers". This shows a picture of the arrangement of each layer of the unit cell. Us e the ins tructions provide d to as s e mble e ach s tructure us ing the e ntire s hade d are a of the te mplate . Do not build your structures based on the "unit cell layers", because it will not give a large enough portion of the structure to allow you to answer the questions for the non- cubic cells. Follow the typed instructions for each structure. These will give you step by step instructions on building the models. Also, you will be asked to view the structures as you assemble them and answer questions about them. Reagents No chemicals will be used in this experiment. Safety None of the materials being used in this experiment present a safety hazard. However, the work is being done in a laboratory and the usual rules about eye protection and proper clothing apply. Waste Disposal Since no chemicals are being used in this experiment, there will not be any waste for disposal. Lab Procedure You will notice the format of this lab experiment is different than other experiments. You will build a series of solid state structures. Directions for building each structure are intermingled with questions to help you with your observations. Please answer the questions in your lab manual along with any other observations you make while you are building the structures. Please print the worksheet for this lab. You will need this sheet to refer to. Part A: Some Simple Structures www.webassig encheml1/lab_7/manual.html 3/10 4/15/13 Lab 7 - Solid State M odeling Figure 1 Structure 1: Simple (primitive ) cubic (us e te mplate A) • Position the semicircle on template A in the same corner as the matching semicircle on the base, and align the holes. • Insert rods in the 4 ci rcl ed hole s in the s hade d re gion. • Place a single atom on one of the 4 rods. • Build the rest of layer 1. • Complete the unit cell by repeating the first layer (1'). NOTE: Keep this structure assembled to c...
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This document was uploaded on 01/22/2014.

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