CSEC CHEMISTRY NOTES ON PERIODIC TRENDS From Chemistry for CSEC by Tania Chung-Harris and Mike Taylor Chemistry for CAPE by Susan Maraj and Arnold Samai Periodic Trends in Group II Elements in Group II The elements in Group II are called alkaline earth metals. Be‚ Mg‚ Ca‚ Sr‚ Ba‚ Ra Beryllium‚ Magnesium‚ Calcium‚ Strontium‚ Barium‚ Radium These elements bond by metallic bonds (intramolecular forces) to form giant metallic structures. The size of the
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Periodic Table Trends When you think of a periodic table‚ you think of elements like oxygen‚ neon‚ lead‚ and iron. You may even think of numbers‚ rows‚ and columns. You may not think about trends that are happening throughout a periodic table. There are many different trends that go on in a periodic table. The trends that I am going to be describing throughout this paper are atomic mass‚ atomic radius‚ first ionization energy‚ and electronegativity. When you study a normal/ordinary periodic
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on power‚ money‚ and social image. Many trends were also created in the 80s‚ some of which we still use today. Some trends that were started consists of slang: “sup”‚ “wannabe”‚ and other terms like those. Some other trends that were created were video games‚ and their popularity. New games like pacman and asteroids were introduced. Games like these became so popular‚ the government had to control the people. More trends that were created were fashion trends. These consist of bib overalls‚ pants that
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Sample Application Form 1. PERSONAL DETAILS (Please use capital letters) Title: Address: Date of Birth: Email: National Insurance No: Postcode: Home Telephone No: Daytime Contact No: 2. CURRENT EMPLOYMENT Start Date Employer Name and Address Job Title and Salary Reasons for Leaving 3. CURRENT MEMBERSHIP OF PROFESSIONAL BODIES 4. WORK EXPERIENCE Dates Employer Name and Address Job Title and responsibilities Reasons for Leaving 5. EDUCATION‚ TRAINING AND DEVELOPMENT College‚ University
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Urbanization Trends The world has experienced two major urban revolutions in the past‚ with the first one starting around 8000 B.C.E. and the second one starting around 1750‚ spawned by the Industrial Revolution (Macionis‚ 2011). The third urban revolution has now begun‚ however the rapid rate of urban growth is concentrated mainly in low-income nations. This trend is thought to be caused by falling death rates and migration of people moving toward inner cities in search of better jobs‚ education
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Crime trend Part 2 According to my crime trend: Career Criminals My crime trend does not seem to exist in Virginia. According to US legal “Parole has been abolished” (Us Legal‚ 2010). With parole being abolished this does not give felons a chance to become career criminals. By abolishing parole Virginia has cut down crime in their state significantly. According to the Lexington prosecutor the number of repeat offenders has risen from 1996 to 1999 about two percent each year. They are recommending
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Mega Trends Megatrends are global‚ transformative and macro-economic forces in societal development that will very likely affect the future in the next era. They involve business‚ economy‚ society‚ cultures and personal lives thereby defining our future world and its increasing pace of change. Mega trends have different meanings and impacts for different industries‚ companies and individuals. Analysis of these mega trends and their implications forms an important component of a company’s future
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1) One of the main trends in education is globalization‚ which is the main force that changes the world today. The process of globalization covers all the national education systems. Higher education is undergoing a serious transformation because of the direct and indirect impact of global trends. The increase of competition in different directions is a factor of globalization that describes the modern development of the global education market. The competition between state universities and alternative
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essentially the most popular mode of expression: It describes the ever-changing style of clothes worn by those with cultural status. A fashion trend occurs when others mimic or emulate this clothing style. Fashions vary greatly within a society over time‚ but also are affected by age‚ occupation‚ sexual orientation‚ location and social class. Today‚ a fashion trend starts with fashion designers‚ who design a spring and fall collection based on cues and inspiration they’ve gathered throughout the season
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Emerging Trends in Pakistan Online Shopping Keeping all other factors aside‚ I’d choose online shopping just to avoid the pain of having to visit shop after shop to find a decent item of clothing. Such is the case with hundreds of thousands of Pakistani’s who are shifting to the convenience of e-purchases over the traditional 4 odd hour shopping marathon. And then there is the variety‚ free home delivery‚ price comparisons‚ privacy‚ comfort and whatnot. In a nutshell‚ online shopping is the
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