WHAT IS METAL? A metal is a chemical element that is a good conductor of both electricity and heat. Metals are malleable and ductile and have lustrous appearance. They have moderate to high physical constants and high tensile strength. Metals are further divided into two main groups - ferrous and non ferrous metals. TYPES OF METAL • FERROUS METAL These are metals which contain iron. They may have small amounts of other metals or other elements added‚ to give the required properties
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SILVER By: Wahida Gh-Sakhi What is Silver? Silver is a chemical element with the chemical symbol Ag and atomic number 47. A soft‚ white‚ lustrous transition metal‚ it possesses the highest electrical conductivity of any element and the highest thermal conductivity of any metal. Element Symbol • Ag • Silver‚ Symbol Element Name • Silver Atomic Mass • The atomic mass is 107.8682 Atomic Number • The atomic number is 47 Bohr-Rutherford Diagram The Story of its Discovery Unknown since prehistoric
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Vitamins and Minerals Vitamins and minerals are essential nutrients that every cell needs. Vitamins can function like hormones or as antioxidants. Minerals are essential to important bodily functions such as producing energy‚ growing‚ and healing. Minerals are required for fluid balance‚ development‚ nervous system maintenance .Minerals and vitamins‚ function as coenzymes and participate in enzymatic reactions in the body. Vitamin and mineral deficiencies can affect the brain many different ways
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double sidedness of pride. Brother’s pride pushes him to give Doodle a life away from his rubber sheet on the bed. When Brother’s obsession with turning Doodle into the "ideal" Brother goes too far‚ his pride pushes Doodle to his early death. “I should have already admitted defeat but my pride wouldn’t let me.”(346) When he takes Doodle to Horsehead Swamp that Saturday before the first day of school‚ he knows it’s too late to meet the goals he set for Doodle. Again we see shame and pride coming together
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Southport Minerals‚ Inc – some points to remember • Financial architecture (financing program) can transform a negative NPV project into a positive NPV project value addition done by financial manager. • Southport Indonesia (SI)‚ a wholly-owned subsidiary of Southport Minerals‚ entrusted with a responsibility of mining the copper ore at Firstburg‚ Indonesia. o Initial experiments established that Firstburg mine contained 33 million tons of copper ore with an average copper content of 2.5%
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increase in the solubility of heavy metals and consequently pollution of water resources. The Sarcheshmeh copper mine is one of the largest porphyry copper mines in the world which is located in south-eastern Iran. Chemical analysis of over than 600 water samples taken from streams and springs in the mining region and surrounding area of pit showed extensive changes in water quality and composition due to the passage of water through waste dumps and mining region. In this research the quality and composition
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Fantasy versus Reality in Where Are You Going‚ Where Have You Been? Where Are You Going‚ Where Have You Been? by Joyce Carol Oates has a constant theme of reality and fantasy running parallel for 15 year old Connie. This short story begins with a description of Connie’s vain personality. The narrator describes her as pretty and self-centered (Oates 421). To emphasize her selfishness‚ Connie is contrasted with her sister‚ June‚ who is chubby‚ plain‚ and well-behaved. Connie’s mother always praises
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If you are new to running‚ you are likely hearing advice from many other people. Whether they are runners‚ or they just wish they could run‚ many people have an opinion about exactly what you should be doing as a new runner. While some of that advice is great‚ make sure you take in the advice carefully. If you have just started running‚ consider these three things. Everyone Started Somewhere Whether you are running around a track‚ jogging along a track‚ or you take your jog somewhere else‚ if
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In the following chart‚ record your observations of each test for the seven minerals. After you have completed all tests‚ name the minerals in Part 2 of this worksheet. An example of how to fill out the chart is illustrated follows. Recorded Observations for Minerals 1-7 Tests Example Mineral 1 Mineral 2 Mineral 3 Mineral 4 Mineral 5 Mineral 6 Mineral 7 Color White Gold Green White Pink White White Black Streak White Black White White White White White Brown Luster Shiny Shiny specs Shiny
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Have you ever tried edible chocolate gold? Switzerland has helped invent many things‚ including edible chocolate gold. When most people think of Switzerland‚ they think of a boring‚ neutral country. I have learned that Switzerland is a fascinating country with a lot of history. Switzerland was founded in 1291‚ and has been a very successful and prosperous country. It has recently been voted on of the most prosperous country in the world. Switzerland has had three accomplishments in the last decade
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