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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Penguin Readers Factsheets T e a c h e r’s n o t e s level E 1 2 3 4 5 King Arthur and the Knights of the Round Table Retold by Deborah Tempest 6 ELEMENTARY S U M M A R Y erlin‚ the wise man of legend in stories of ancient Britain‚ realises that the country will be plunged into turmoil at the death of its strong leader‚ Uther. So he arranges to take away the heir to the throne‚ Uther’s son Arthur‚ and hide him in anonymity against the time when he can take his rightful place as king
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Ngee Ann Polytechnic 6 Month Internship International Supply Chain Management Periodic Report 1 Brenda Lim S10093748J [pic] BA 090R Appendix 1 NGEE ANN POLYTECHNIC SCHOOL OF BUSINESS AND ACCOUNTANCY DECLARATION FORM (This form is to be submitted together with all reports) |Programme: |ISCM | |Module:
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King Arthur and the Knights of the Round Table: An Epic Hero for Modern Times In about 1470‚ Thomas Malory finished Morte d’ Arthur‚ the first of the many legends written about King Arthur. Even in modern times‚ King Arthur and the Knights of the Round Table are a favorite subject in movies‚ books‚ and plays. Often times this is so because the Medieval Period in general‚ and King Arthur in particular‚ have an air of mystery‚ romance‚ fantasy‚ and adventure that are popular themes in all times
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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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MONDATA‚ Huller Dorothy PRIETO‚ Kristine Joy 8:30-9:30 TTHS NAPARAN‚ Maria Carmela SACULLES‚ Donna ORDONIA‚ Czarina Marta TAMANI‚ Mia PEREZ‚ Lorraine TACCAD‚ Albert PONSEJA‚ Sharmyne September 5‚ 2013 MUSIC: “SLU Hymn” MAIN CONCEPT: Lousians Journey‚ During and After Graduation. CONCEPT STATEMENT: Our concept will include Lousians “life” during college. Their struggles‚ sacrifices‚ achievements and now they will be successful in their future careers. CHARACTERS:
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A periodic inventory system is an accounting method in which the cost of goods sold is determined periodically‚ usually annually and typically not more frequently than quarterly. The disadvantage is the systems inability to continuously update inventory levelsThe periodic inventory system is most useful for smaller businesses that maintain minimal amounts of inventory. For them‚ a physical inventory count is easy to complete‚ and they can estimate cost of goods sold figures for interim periods. However
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play‚ or the day that Roger Bannister ran a four-minute mile‚ or the day that LeBron James decided he would leave the Cleveland Cavaliers to play for the Miami Heat. This is the day that we would see an NFL legend‚ Mike Webster‚ laying on an autopsy table at the Allegheny County coroner’s office in Pittsburg‚ Pennsylvania. The significance of this day? After this day‚ the world of football would be turned upside down. Webster died of heart failure‚ but there was more to it than what met the eye. Webster
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PERIODIC EXAM ENGLISH Name: _________________________________Year & Section: _________________________ I. SPEAKING: DIRECTIONS: Tell whether the statements below use a RISING INTONATION or a RISING- FALLING INTONATION. Write R for rising and RF for rising-falling intonation. _____1. Have you study your lessons? _____2. I have seen the movie twice. _____3. When is the deadline for the submission of our project? _____4. Are you sure? _____5. She might be late. II. READING & LITERATURE
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Our task was to look over 6 properties of the elements and determine if they follow a periodic trend or if they do not. A periodic trend increases or decreases across both a period and down a group. A quasi-periodic trend does not follow a periodic trend. The quasi-periodic trend is a trend that increases or decreases down a group. Our guiding question was Which properties of the elements follow a periodic trend? To discover the trends for each property of the elements‚ my group and I graphed
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