that metals are mostly a solid phase and that they come in a more variety of colors. Metals are really good conductors of electricity and have a metallic luster. Metals also can be ductile‚ and malleable. We can also conclude that nonmetals can be a solid‚ liquid‚ or gas. Nonmetals are a poor conductor of electricity (good insulators) and have no metallic luster. Nonmetals are also not ductile or malleable. From this lab I have also concluded that semimetals have properties like metals and nonmetals
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Chemistry Practical Report: Period 3 Elements Name: Titus Lee Date: 12th February 2014 Partners: Louella Jarillas‚ Vevaan Nguyen‚ Alexandro Francisco‚ Alif Ahmed Aim: To examine the similarities and differences between the properties of a selection of the elements of Period 3 Hypothesis: Sodium will be the most reactive element and sulphur will be the least reactive Equipment and Method: Found on Page 28-9 in Heinemann Chemistry 1 Student Workbook Results: Element Observations Element
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Journal of Minerals & Materials Characterization & Engineering‚ Vol. 10‚ No.4‚ pp.367-385‚ 2011 jmmce.org Printed in the USA. All rights reserved Hot Corrosion & Erosion Problems in Coal Based Power Plants in India and Possible Solutions – A Review Vikas Chawlaa*‚ Amita Chawlab‚ D. Puric‚ S. Prakashc ‚ Prema G. Gurbuxanid and Buta Singh Sidhue Mechanical Engineering Department‚ F.C.E.T. Ferozepur-152002‚ India Chemistry Department‚ Govt. Brijindra College‚Faridkot-151203‚India c Metallurgical
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elements. A mineral such as quartz may be colorless‚ or have various colors. By observing the color‚ it can be determined if the mineral is mafic or felsic; dark or light. Luster is observing the sample for metallic or non-metallic properties. If metallic‚ it will reflect light‚ like gold; if non-metallic‚ it can be glassy‚ pearly or dull. If Exhibit A is used to draw a line over a pavement‚ the mineral powder left behind would be referred to as the streak. This can be the color of the rock itself or different
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adds to the extreme power of the car. Not only is the performance of the Camaro wonderful‚ but the style of this car is beautiful as well. It is offered in many colors such as Arctic while‚ Sebring Silver‚ Light Pewter Metallic‚ Black Hugger Orange‚ Bright Blue Metallic‚ Bright red‚ Mystic
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oxide e.g. 4Na (S) + O2 (g) → Na2O (s) Reaction with hydrogen element + hydrogen → hydride e.g. Ca (s) + H2 (g) → CaH2 (s) Reaction between an oxide and water metallic oxide + water → hydroxide * metallic oxide is also known as “basic oxide” e.g. Na2O (s) + H2O (l) → 2NaOH (aq) non-metallic oxide + water → acid * non-metallic oxide is known as “acidic oxide” e.g. SO2 (g) + H2O (l) → H2SO3 (aq) Reaction between active metals and water active metal + water (liquid or gas) → hydroxide
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relative change of electrical resistance divided to mechanical strain (relative change of the length of the conductor). Commercial strain gauges are made with metallic and semiconducting sensing elements. SGF of metallic gauges is from 2 to 6‚ and for semiconducting ones it is from 40 to 200 in absolute value [15-17]. Piezoresistive effect in metallic conductors is concerned with change of geometry of them. In semiconductors the effect is concerned generally with change of specific resistance of them due
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Chelation Therapy 1. Chelation is a process by which a chemical substance is utilized by doctors‚ to bind with metallic molecules or minerals and therefore aid in their removal from the body. Chelation is widely used to expel excess or toxic substances metals from the body before they can cause any damage to the body. Chelation Therapy works on the principle that when a complex amino acid called Ethylenediaminetetraacetic acid (EDTA)‚ comes into contact with various positively charged heavy
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Effects of Working Capital Management on Company Profitability An industry-wise study of Finnish and Swedish public companies Erik Rehn Department of Accounting Hanken School of Economics Helsinki 2012 HANKEN SCHOOL OF ECONOMICS Department of: Type of work: Master’s Thesis Accounting Author: Erik Rehn Date: 13.3.2012 Title of thesis: Effects of Working Capital Management on Company Profitability Abstract: Working Capital Management has lately been a hot topic since
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S. I. R. (Science Investigation Research) 1 YR – ST. LOUIS OF BERTRAND SUMITTED TO: Leah Ilagan (Integrated Science Teacher) SUBMMITED BY: Agustin‚ Nathan Raphael DL. Arcaira‚ John Carlo B. Catuira‚ Jerrico B. Olalia‚ Nicolas Andrei Serna‚ Christian O. Zipagang‚ Lance Harvey O. PROBLEM: How Caffeine affects a Gold-fish Chapter 1: The Problem and Its Background * Background of the Study * Caffeine is becoming a common chemical found in the environment
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