Rubidium is a chemical element that was discovered in 1861 by Robert Bunsen and Gustav Kirchhoff‚ in Heidelberg‚ Germany through a scientific process of flame spectroscopy. During the process‚ Kirchhoff and Heidelberg noticed bright red lines in its emission spectrum which caused them to choose the name Rubidium derived from the Latin word rubidus‚ meaning "deep red". Rubidium is a chemical element with symbol Rb and atomic number 37 and an atomic mass of 85.4678. Rubidium is a soft‚ silvery-white
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Rubidium To start off this amazing element has just a little bit of history to it. At first when I heard about this element I thought it was some type of gas but it can turn it to a liquid at a certain type of liquid. But is actually a very shiny type of metal. Rubidium was discovered by Kirchoff and Bunsen in 1861 through the use of a spectroscope. Rubidium metal can be made by minimizing rubidium chloride with calcium with other substances. The cost of this metal in small quantities is approximately
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Origin of name: from the Latin word "rubidius" meaning "dark red" or "deepest red". Atomic Number: 37 Symbol: Rb Atomic Weight: 85.4678 Say what? Rubidium is pronounced as roo-BID-ee-em. Discovery: R. Bunsen‚ G. Kirchoff 1861 (Germany)‚ discovered rubidium in the mineral petalite via its dark red spectral lines. Element Classification: Alkali Metal Density (g/cc): 1.532 Melting Point (K): 312.2 Boiling Point (K): 961 Appearance: soft‚ silvery-white
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"Amazing" What is this life I stumbled in to? Where’s it gonna take me? Where’s it gonna take you? If life is a journey‚ then I know where I’ll be By the ocean‚ oh that valley in the sea... But I don’t think anyone’s looking for me‚ especially you And if someone is looking‚ than who? And it’s amazing‚ how lost inside in you feel‚ When you look fine on the outside‚ you’re screaming someone take the wheel And it’s amazing‚ they think you’ve got it all‚ But it might just be a pebble‚ that’s
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w w ap eP m e tr .X w om .c s er UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS International General Certificate of Secondary Education 0620/12 CHEMISTRY Paper 1 Multiple Choice May/June 2010 45 Minutes Additional Materials: *8778752636* Multiple Choice Answer Sheet Soft clean eraser Soft pencil (type B or HB is recommended) READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use staples‚ paper clips‚ highlighters‚ glue or correction
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Cd gdh yg b A market scene A market is a place where we buy vegetables‚ fruits‚ fish and meat. It is the biggest concentration of noise every morning. It is filled with a crowd of mainly buyers. The Central Market in Kuala Lumpur is not only a landmark but is also one of the best attractions in the city. It is really an experience to go round the stalls during their busy hours. If you happen to be careless about your wallet beware of the pickpocket. Business at the Central Market
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Menu I Appetizer: (choice of two) Bruschettas with Cheese‚ Tomato and Basil / Crispy Kangkong with Thousand Island Dressing / Nachos with Cheese Cream Dip Bowl of Seasonal Country Greens Condiments: Iceberg Lettuce‚ Lola Rosa‚ Green Ice‚ Cucumber‚ Tomatoes‚ Carrots‚ White Onion Rings and Corn Kernels Dressing: (choice of two) Thousand Island‚ Caesar Salad Dressing‚ French Vinaigrette‚ Raspberry Vinaigrette‚ Balsamic Vinaigrette Chicken Potato Salad with Almond Chips Tuna-Pineapple Rotini Salad (a
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In 1600 B.C.E.‚ the Phoenician alphabet’s letter had a linear form that served as the base for some later forms. Its name must have corresponded closely to the Hebrew or Arabic aleph. Blackletter A Blackletter A Uncial A Uncial A Another Capital A Another Blackletter A Modern Roman A Modern Roman A Modern Italic A Modern Italic A Modern Script A Modern script A When the ancient Greeks adopted the alphabet‚ they had no use for the glottal stop—the first phoneme of the Phoenician
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Scoot Principle activity: air transportation‚ equity is fully held by parent company‚ SIA 4 aircrafts of B777-200‚ 1 more aircraft for B777-200 and 20 B787 to be added (transferred from SIA) a. History and management structure of the company Started services on 4 June 2012 b. Markets (countries and customer groups) served and products & services offered by the company Low cost mid to long-haul airline‚ no frills Market: young and fun Cheaper by 40% (or so it claims) 2 class: ScootBiz:
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Amazing Grace In the movie Amazing Grace was a horrible yet completely realistic conditions of the most poor‚ rundown neighborhoods and districts in New York City. During the 18th century millions of men‚ woman and children were taken from their homes in Africa and sold into slavery. Few survived the slave trade was wrong‚ and to find one who had the courage to stand-up against it seemed impossible. Humanity needed a hero‚ someone who could establish equally. The movie Amazing Grace tells the account
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