Laboratory# 26 Group 2: The Alkaline Earth Metals Period E Bautista‚ Angel Table D Comer‚ Tyler 3/22/12 Sullivan‚ Brittany Truong‚ Phuoc Conclusions and Questions 1. Step 1: Ca(s) +H2O->Ca (OH)2(aq)+H2(g) Step 4: Mg(s) +H2O->Mg (OH)2(aq)+H2(g) Step 10: CaSO4 + H2O-> Ca(OH)2 + H2SO4 MgSO4 + H2O ->Mg (OH)2 + H2SO4 Barium Sulfate: No reaction Step 13: MgCl2 + Na2CO3 -> MgCO3 + 2NaCl CaCl2 + Na2CO3 -> CaCO3 + 2NaCl
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Analyzing Data Using Pivot Tables – An Example Remember assignment 5 where you were asked to compare Invoice amounts to Sales Order amounts? You had to create a query to join together 2 tables from an Access database. If the results of that query had been downloaded into an Excel file (a simple thing to do)‚ you could have used the Excel file and a Pivot table to help in the analysis. Before you try to follow this example‚ you should learn as much as you can about Pivot Tables from Microsoft’s user
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A BRIEF HISTORY OF THE DEVELOPMENT OF PERIODIC TABLE Although Dmitri Mendeleev is often considered the "father" of the periodic table‚ the work of many scientists contributed to its present form. In the Beginning A necessary prerequisite to the construction of the periodic table was the discovery of the individual elements. Although elements such as gold‚ silver‚ tin‚ copper‚ lead and mercury have been known since antiquity‚ the first scientific discovery of an element occurred in 1649 when
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number of neutrons. c. The periodic table should be organized based upon atomic number. d. The periodic table should be organized based upon chemical properties. 2. What is significant about elements in the same group on the periodic table? (3.02) a. They have the same number of protons. b. They have the same number of electrons. c. They have the similar chemical properties. d. They are all noble gases. 3. As you go left to right across the periodic table‚ which of the following is true?
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TABLE OF CONTENTS TITLE PAGE ………………………………………………………………….. i APPROVAL SHEET …………………………………………………………. ii ACKNOWLEDGEMENT …………………………………………………….. iii TABLE OF CONTENTS..................................................................... …... iv LIST OF TABLES ……………………………………………………………. vi LIST IF FIGURES …………………………………………………………….. viii ABSTRACT ……………………………………………………………………. ix CHAPTER I. THE PROBLEM Introduction …............................................................... 1 Background
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Period 3 Elements – Summary of Physical Properties Advanced Chemistry Book + website The elements in Period 3 of the periodic table are the elements sodium to argon. They represent the most straightforward trend in properties. As the atomic number of the elements increases across a period‚ the trend is from metallic to a non-metallic character. Electronegativity is a measure of an element’s ability to attract a shared electron pair to itself. Metals have a smaller electronegativity than 1
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History of Table Tennis Ping Pong Anyone? The sport got its start in England towards the end of the 19th century when‚ after dinner‚ some upper-middle class Victorians decided to turn their dining room tables into miniature versions of the traditional lawn tennis playing field. Several different every-day objects were employed in constructing the sport. They used a line of books as the net. Rackets were lids from empty cigar boxes‚ and a little later‚ parchment paper stretched around a frame. The
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Discussion no. 2 The Nomenclature of Inorganic Compounds Discussion no. 3 The Periodic Table of Elements Sta. Maria‚ Yza Suaco‚ Trisha Marie T. Teves‚ Joan Marie Vale‚ Kate IN-9 Group 9 I. Introduction Representing molecules as images allows us to impart a great deal of information concerning molecular structure. But these molecules can also be named‚ and there are occasions when this is more convenient than drawing a picture. In the early days of chemistry‚ the list of known compounds
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University of Malaya Topic of Research: Development and Evaluation of Humanism Elements in teaching and learning ‘Periodic Table of Elements’ among Form 4 students Prepared by: LIM PEI LEE (PGJ 110010) Post Graduate for Master in Education (Science Education) Semester 2‚ Session 2011/2012‚ Education Faculty‚ University of Malaya. Table of Contents |No. |Contents |Page(s)
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is committed to providing her customers with the best selection of fine foods and great wines. Evaluation of the design elements The Inventory Table contains the components that make up an Item. It is used for managing inventory and determining the availability of ingredients that go into prepared items‚ such as bakery products‚ etc. First‚ the table organizes the financial data into department‚ then financial account codes‚ item‚ and then sums the total amount of transactions for the code and
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