Properties of Gallium Gallium is a chemical element that is located in Group 13 or the “Boron Group” on the periodic table of the elements. It has the chemical symbol Ga and has an atomic number of 31 meaning it has 31 protons and 31 electrons. The atomic mass of Gallium is 69 meaning it has 38 neutrons. Gallium is a transition metal and was discovered in 1875 by French Chemist Paul Emile Lecoq de Boisbaudran after the element was predicted by Dmitri Mendeleev who created the periodic table of the
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Robert Spencer‚ June 3‚ 2013 Discuss the procedures for collection and packaging firearms evidence at a crime scene. After a firearm has been photographed at the scene‚ it will be necessary to be rendered safe. An automatic pistol will require its magazine to be removed and the round extracted from the chamber. When removing the magazine it will need to be handled carefully in order to preserve potential fingerprint evidence and be placed in a paper or plastic evidence bag. The round
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Journal of Engineering and Applied Science Volume 4‚ June 2012 © 2012 Cenresin Publications www.cenresinpub.org DETERMINATION OF THE RHEOLOGICAL PROPERTIES OF DRILLING FLUID FROM LOCALLY SOURCED CLAY FROM VARIOUS GEOGRAPHICAL AREAS Ajugwe .C‚ Oloro. J and 3Akpotu. D. Department of Petroleum Engineering Delta State University‚ Oleh Campus E-mail: joloroeng@yahoo.com ABSTRACT The rheological formulation of our locally sourced bentonite clay in substitute for the imported foreign bentonite clay
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Kalee Rustvold April 10‚ 2013 C .J. 110 Assignment #1 Case Number: RB/H201/505 Incident: Burglary; Homicide Reporting Officer: Officer Kalee Rustvold Date of Report: 04 April 2013 At about 2200 hours on 04 April 2013‚ I received a call from dispatch‚ stating there were shots fired at the McDonalds located at 6561 Edinger Ave. I proceeded to the Location of 6561 Edinger Ave. while in route to the location
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The process of crime investigation involves the gathering information which is relevant to the crime that has or is being committed. The changes in technology have had impact on criminal investigation and criminal tendencies. The innovation in telecommunication and computers had led to changes in ways that crimes occur and the way they are being investigated. Whereas the law enforcement agencies continue to adopt technologies in fight against crime‚ criminals continue to adopt technology‚ leading
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In the criminal justice system a police officer or crime scene investigator cannot legally search a person or property without a search warrant. There have been ongoing debates and revisions on the legal requirements and circumstances under which it is necessary to obtain a search and seizure warrant before crime scene processing. According to the Fourth Amendment search and seizure requirements‚ a warrant is required any time a reasonable expectation of privacy exists. Therefore‚ in an effort to
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Katie Limbach Mrs. Falk Chemistry 09-13-13 Title: Properties of Gases Purpose : The purpose of this lab was to learn about properties‚ both physical and chemical‚ of gases and to be able to identify them. Materials: Matches Toothpicks Pie tin Marker White Vinegar Hydrogen peroxide Measuring spoons Straw Tissue paper Baking soda Test tubes 24 Well Plate Pipet Stoppers for the test tube Chemicals provided by Labpaq Procedure: Place a piece of mossy zinc
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Purpose or Objectives: Observe several changes in matter and write questions concerning the properties of the samples. Data Table: Conclusion: 1. Write at least ten questions that you would like answered about this experiment. 1. What is the identity of Crystal “X”‚ Liquid “Y”‚ and Liquid “Z”? 2. Why were the colors different when Crystal “X” was added to Liquid “Y”‚ but when they were mixed it turned from green to blue? 3. Why did the metal foil turn brownish red once added to Crystal
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Garlic biopesticides have the unique property of repelling and preventing the insects from feeding especially the sucking pests. The biopesticide is compatible with chemical insecticides and fertilizers. The garlic biopesticide not harmful to natural enemies‚ pollinators and other beneficials‚ are cheaper and compatible with other organics and chemicals. They can form an important IPM tool in sustainable and organic cultivated farming systems. (A.K.CHAKRAVARTHY) Garlic has been useful as a spice
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ANTIOXIDATIVE PROPERTY OF SOURSOP LEAF EXTRACT A Research Proposal Presented to The Faculty of University of Baguio Science High School In Partial Fulfillment Of the Requirements for the Subject Research III Quimson‚ Crystal Ivy O. Osias‚ Dymphna Xel D. Choi‚ Brian March 2012 TABLE OF CONTENTS Title page. . . . . . . . . . . . . . . . . . . . . . . . i Table of contents. . . . . . . . . . . . . . . . . . . . ii CHAPTER I: THE PROBLEM Background of the Study . . . . . . . . . . . . . . .
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