PERIODIC CLASSIFICATION OF ELEMENTS Introduction There are 115 elements that are known at present. Some elements have similar properties whereas some others have completely contrasting properties Scientists began to look for some pattern in the properties of these elements Dobereiner’s triads In 1817‚ Johann Wolfgang Dobereiner‚ a German chemist‚ classified elements into groups based on their properties. He kept all elements having similar properties in one group. Most of his groups had three
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Contents Introduction 1. Determination of Homonymy 2. Classification of Homonyms A. The standard way of classification (given by I.V. Arnold) a) Homonyms proper b) Homophones c) Homographs B. Classification given by A.I. Smirnitsky a) Full homonyms b) Partial homonyms C. Other aspects of classification 3. Sources of Homonymy 4. Problems of Homonymy a) Distinguishing homonymy from polysemy b) Different meanings of the same homonym in terms of distribution c) Difference between patterned
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Performance of Safety Incidents Statistical Analysis of Safety Incident Rates Table of Contents Introduction 3 Part I. Graphical Descriptive Statistics 3 Part II. Binomial Probability Distribution 4 Part III. Inferential Statistics 5 Part IV. One Sample Hypothesis T-test 5 Part V. Two Sample Hypothesis T-test 6 Part VI. Paired (matched) Observation – Two Populations Hypothesis 6 Part VII. Linear Regression and Correlation Study 7 Part VIII. ANOVA – One-Way Test of Variance 7 Part
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Periodic Classification of Elements Classification of Elements according to electron configuration ( type of subshell being filled) *valence electrons –outer electrons of atom which are those involved in chemical bonding ; accounts for similarities in chemical behavior among elemens within each of this groups * Representative elements/ Main Group elements * Group 1A-7A * Incompletely filled s/ p subshells * Display a wide range of physical and chemical properties
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Project Proposal Statistical Learning and Data Mining Overview: Efficient asset allocation through statistical learning methods and comparison of methods for the creation of an index tracking ETF (Exchange traded fund) Datasets: The datasets are chosen from the website of the book “Statistics and Data Analysis for Financial Engineering” by David Ruppert. The book is mentioned as one of the references for this course. The two data sets chosen are 1. Stock_FX_Bond.csv 2. Stock_FX_Bond_2004_to_2006
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Who are these people? “God gave us our relatives; thank God we can choose our friends” Ethel Watts Mumford Anyone who is lucky enough to be a part of a big family and is able to spend time with them should consider the individual personalities that collectively define their family’s dynamics. Each member has different traits and experiences that make them who they are. Over the years I have attended countless family dinners and events and have taken note of a few extreme characteristics
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VACATIONING AT THE BEACH OR IN THE MOUNTAINS People are always looking forward to their vacation period. There are many options where to choose. I think that the most two common places people choose for taking a vacation are the beaches and the mountains. Both places offer a variety of fun activities. The beach offers activities that the mountain can not offer. The mountain and the beach are totally different. The purpose of this essay is to contrast the climate‚ types of activities and
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In today’s society‚ children are faced with many obstacles; bullying‚ learning disabilities‚ trying to “fit in”‚ and obesity just to name a few. Many children have problems with obesity due to the easy access to fast food and junk food. One of the biggest forms of junk food is candy of any sort. Some children are chocolate fanatics‚ some like the sweet‚ sugar-coated candy‚ and others like the sour candy that make their lips pucker. Today I am going to tell you about the different categories of
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Title: Types of Movies Topic Announcement: Movie Genres Introduction Background: Movie genres describe the film and its purpose to the audience. Thesis Statement: “There are many genres for any person’s interest.” Comedy Comedies are light-hearted plots that are designed to amuse‚ entertain‚ and provoke laughter from the audience. They provide a momentary escape from day-to-day life. (Dirks‚ “Main Film Genres”) Body Paragraphs Romance
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The two classes of vitamins are Fat – soluble vitamins and water – soluble vitamins. Fat – soluble vitamins include vitamin A‚ vitamin D‚ vitamin E‚ and vitamin K. These vitamins are considered fat soluble vitamins because they are stored in the body for long periods of time and are harder to break down‚ while water soluble vitamins are not. Water – soluble vitamins include vitamin B1 (thiamin)‚ vitamin B2 (riboflavin)‚ vitamin B6‚ vitamin B12‚ and vitamin C‚ folic acid‚ and niacin. These vitamins
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