The Element: Chlorine General Information We researched the chemical element known as chlorine. Chlorine has an atomic number of 17 and an atomic weight of 35.453. It has a valence number of 3. The element has 3 energy levels. Chlorine exists as a greenish-yellow gas at normal temperatures and pressures. Chlorine is second in reactivity only to fluorine among the halogen elements. Chlorine is a nonmetal. It is estimated that 0.045% of the earth’s crust and 1.9% of sea water are chlorine.
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people get excellent services in the localities they represent and that they will vote for them again in future elections. Councillors are involved in decisions to do with operating the Social Services in the city. They take advice from senior professionals within the Social Services field. Councillors are accountable to people for what they do and they will try to listen to local people at surgeries. Officers These are the full-time professionals who interpret government policies and advise councillors
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Chapter 13 Learning Guide – Urban Patterns Key Issue 3 – Why Do Inner Cities Have Distinctive Problems? Pgs. 418 – 423 • Complete this statement regarding the basic problems of the inner city: “Inner cities in the United States contain concentrations of _______________________ people with a variety of physical‚ _____________________‚ and _________________________ problems very different from those faced by __________________________ residents.” Inner City Physical Issues • What
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Kendall Ruyle S. Higgins English 132 1 April 2012 “How to Tell a True War Story” O’Briens “How to Tell a True War Story”‚ is a compilation of war stories and some experiences that men have had while away from home‚ at war during a battle. The theme of O’Briens short story is to always look at the positive side of all things that may happen in one’s life. There is a positive side in every single action that takes place in people’s lives. O’Brien tries to explain a war story as best as he can
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311027954 从世说新语中看清谈：清谈的形式 清谈的内容以及清谈的影响 The “Pure Conversation” (qingtan) cultural movement 清谈的定义 The “Pure Conversation” (qingtan 清谈) cultural movement emerged in the Wei-Jin period and is defined as not only the approach that scholars communicate with each other‚ sharing their thoughts‚ but also a form that shows the main stream of the philosophy thoughts of the society in the Wei-Jin period. (Tang 1991‚ pg.18). 清谈兴起的原因：This essay will introduce the “Pure Conversation”(qingtan) movement by analyzing
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with that information. The simplest compounds contain just two elements. Sodium chloride‚ NaCl‚ is an example of a binary compound. Several other examples are listed below. Potassium bromide KBr Calcium bromide CaBr2 Lithium fluoride LiF Lithium oxide Li2O When naming binary compounds follow these rules: 1. the element with the positive ionic charge is written first. 2. The second word is formed by changing the ending of the name of the element to “ide.” For example‚ bromine changes
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Empirical Formula of a Compound * Purpose: To determine the empirical formula of Magnesium Chloride. * Data 1. Mass of evaporating dish = 45.08g 2. Mass of evaporating dish and Magnesium = 45.17g 3. Mass of Magnesium: { 2 } – { 1 } = 0.09 4. Mass of evaporating dish and Magnesium Chloride First weighing = 45.48g (After heating and cooling) second weighing = 45.49g 5. Mass of Magnesium Chloride: { 4} – { 1 } = 0.41g
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Sports Leaders UK What they do Sports Leaders UK changes lives: its range of awards and qualifications equips people with the skills and motivation to create and run sporting activities in the community. Each year 150‚000 young people train to be Sports Leaders by taking part in Sports Leaders UK courses‚ the majority through their schools‚ colleges and universities. Now‚ a growing number of courses are delivered in prisons‚ youth offending institutes‚ and a variety of local youth and community
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Other nitrogen containing compounds Catecholamine: Dopamine‚ norepinephrine (noradrenaline) and epinephrine (adrenaline) are biologically active amines and are collectively called as Catecholamine. * Dopamine and norepinephrine functions as neurotransmitters. Outside the nervous system‚ norepinephrine and its methylated derivative‚ epinephrine regulates carbohydrate and lipid metabolism. They are released from storage vehicles in the adrenal medulla in response to stress (fright‚ exercise‚ cold
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