Metallic Bench Vise Date :- 1/10/2011 GC Hafiz Muddassir Bhatti GC Saqlain Musharraf GC Shahid Iqbal PC Zeeshan Raza DE-31 Mechanical Syn (A) Dedicated to all those who accept their errors and use them as their ladder to reach the best Table of Contents ABSTRACT 1 AGENDA 2 UNIT I | INTRODUCTION 3 CHAPTER 1| METALLIC BENCH VISE 3 CHAPTER 2 | APPLICATIONS 4 CHAPTER 3 | OTHER TYPES OF VISES AND THEIR USES 5 Machinist’s Bench
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Identification of Metallic Ions Peter Jeschofnig‚ Ph.D. Version 42-0160-00-01 Lab RepoRt assistant This document is not meant to be a substitute for a formal laboratory report. The Lab Report Assistant is simply a summary of the experiment’s questions‚ diagrams if needed‚ and data tables that should be addressed in a formal lab report. The intent is to facilitate students’ writing of lab reports by providing this information in an editable file which can be sent to an instructor. obseRvations
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number of periods in the long form of the periodic table is (a) 6 (b) 7 (c) 10 (d) 18 Which of the following elements has maximum metallic character? (a) Li (b) N (c) Na (d) P Which of the following is the most reactive halogen? (a) F (b) Cl (c) Br (d) I Why do elements in a group show same valency? Why are the members of group 1 known as alkali metals? How does metallic character of the elements vary (i) In a group (ii) In a period? Name the other elements which belong to the same family as (i) Calcium
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4/29/2013 5.1 Lab Report - Identification of Metallic Ions TITLE: LAB 5.1 IDENTIFICATION OF METALLIC IONS PURPOSE: In this lab we are learning how to observe and perform “flame tests”‚ of alkali and alkaline earth metal ions. We will use basic lab equipment provided in our Labpaq‚ and follow all safety precautions in this lab. From reading the discussion and review‚ we understand that the normal configuration of the electrons is called “the ground state”. We understand that they are
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Uranium (U) is a metallic‚ silver-gray element that is a member of the actinide series. It is the principle fuel for nuclear reactors‚ but it also is utilized in the production of nuclear weapons. Because uranium is radioactive‚ it is constantly emitting particles and changing into other elements‚ like thorium. Uranium has a well-established radioactive decay chain. U-238 and U-235 (which has 143 neutrons) are the most common isotopes of uranium. Uranium naturally includes all three isotopes (U-238
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Lab Report for Experiment #7 Student’s Name __________Lisa __________ Date of Experiment _08/03/2013__________ Date Report Submitted ______08/05/2013___________ Title: Identification of Metallic Ions Purpose: To perform and observe the flame tests of some alkali and alkaline earth metal ions. Understanding Light Introduction: Electrons from an atom can absorb energy and become excited to move from the stable “ground state” energy level to a higher energy level. Imagine
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Chemical Bonding You are to research the following questions and choose an appropriate format to present your answers in. Include diagrams where possible. 1. Describe metallic‚ ionic and covalent bonds. Metallic - A chemical bond in which electrons are shared over many nuclei and electronic conduction occurs. Ionic – A chemical bond in which one atom loses an electron to form a positive ion and the other atom gains an electron to form a negative ion. Covalent - A chemical bond that involves
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Compare and contrast the structure and bonding in Ionic‚ Covalent and Metallic species. Relate the structure and bonding to the properties of the species. Ionic bonding is usually formed between a metal and a non-metal‚ Covalent between two non-metals and Metallic between two metals. Ionic Bonding; Ionic bonds tend to form between metals whose atoms need to “loose” electrons to gain the nearest noble gas configuration and non-metals that need to gain electrons. These electrons are transferred
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Purpose: To observe the characteristic colors produced when certain metallic ions are vaporized. Metallic Ion Color in Flame Na+ Light Orange K+ Pink / Orange Li Red Ca2+ Dark Orange Sr2+ Red Cu2 Green Co+2 Salmon Pink Ammonium Dichlorate Orange Sparks K2CR2O7 Orange Fe+1 No Reaction NaCl Orange Strantium Chloride Scarlet Red Ni+2 Dark Orange Copper Sulfate (solid) Green Fe+2
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more than once. A. Metallic luster‚ B. Nonmetallic luster – glassy‚ C. Nonmetallic luster – dull‚ D. Nonmetallic luster – silky‚ E. Nonmetallic luster – greasy. B | Quartz | D | Galena | A | Limonite | C | Gypsum | C | Talc | E | Native copper | 4. Determine whether the luster of each of the following samples in your kit is metallic or nonmetallic. If nonmetallic‚ indicate whether it is vitreous‚ pearly‚ greasy‚ waxy‚ resinous‚ or dull. a. Garnet metallic‚ pearly b
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