Magnesium Mg(Z=12) in Group 2 Alkaline Earth Metals The structure of the element: Giant lattice metallic structure of immobile positive metal ions surrounded by a ’sea’ of freely moving mobile electrons (so-called delocalised electrons). Physical properties: A moderately hard silvery-white solid; mpt 649oC; bpt 1090oC; good conductor of heat/electricity. Group‚ electron configuration (and oxidation states): Gp2 Alkaline Earth Metal; e.c. 2‚8‚2 or 1s2 2s2 2p6 3s2; (+2 only) e.g. MgCl2‚ MgO.
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References: Breast cancer statistics. (2010‚ March 17). Retrieved May 30‚ 2013 from http://www.cdc.gov/cancer/breast/statistics/ Capital purchase justification. (2012‚ June 07). Retrieved June 01‚ 2013 from http://customwritingtips.com/component/k2/item/8322-capital-purchase-justification.html Gerson ‚ J. (2013‚ May 16). Ontario’s outdated mammography machines may have allowed some breast cancers to go undetected: report. Retrieved May 31‚ 2013 from http://news
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The Louisiana Purchase was an arrangement between the United States and France‚ in which the U.S. acquired approximately 827 thousand square miles of land west of the Mississippi River for $15 million. In 1801‚ Spain and France signed a secret treaty surrendering Louisiana to France. Thomas Jefferson realized that with this treaty‚ France suddenly posed a potential threat to America. If America did not purchase New Orleans from France‚ and with the change of ownership from Spain to France it could
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Date performed: NOV. 12‚ 2012 Section: C-1L Date submitted: NOV. 21‚ 2012 Group Number: 3 Exercise No. 2 COLLIGATIVE PROPERTIES (Full Report) I. INTRODUCTION Colligative properties In liquid solutions‚ particles are close together and the solute molecules or ions disrupt intermolecular forces between the solvent molecules‚ causing changes in those properties of the solvent that depend in intermolecular attraction. For example‚ the freezing point of a solution is
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Physical properties can be seen‚ touched‚ or even measured without the identity of the substance changing. The identity of the substance can be its shape or color. Three physical forms of a substance are solid‚ liquid‚ and gas. Water for example can transform into all three physical forms without its identity changing. The characteristic of water as a shape can be used as an example of a physical property. Water can be frozen into ice‚ vaporized‚ or liquidized. The shape of water as a solid is
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A detailed explanation‚ one paragraph or more in your own words‚ of the colligative property being discussed and why that property changes the way that it does when the amount of solute is increased. A detailed description‚ at least one paragraph‚ of a real-world application of the colligative property‚ including an explanation of how this application of the colligative property is important or useful to those affected. The real-world example must be one that was not mentioned in the lesson. An
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the disengagement of the United States in foreign affairs which was an highly persuasive ideology for presidents after him and the treaties they made with other nations to negotiate specific issues. For instance‚ the Louisiana Purchase was notably: “One of the greatest purchases of land acquisition in the United States”. After the Louisiana territory was seized by Napoleon Bonaparte and his military‚ the American colonists wanted to acquire the port of New Orleans as they sought lucrative economic success
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information for evaluating alternatives. Technical personnel are particularly important influencers. * Buyers have formal authority to select the supplier and arrange terms of purchase. Buyers may help shape product specifications‚ but their major role is in selecting vendors and negotiating. In more complex purchases‚ buyers might include high-level officers participating in the negotiations. * Deciders have formal or informal power to select or approve the final suppliers. In routine buying
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- To what extent is “A property of the Clan” a realistic play? - In your answer provide examples from the text and refer to techniques A property of the Clan is a realistic proportional of young Australian culture. The under age drinking‚ the slang and swearing‚ the biff and the beach going life is all features of Australian youths. It also shows the gender differences in Australia. Nick Enright the playwright of ‘A Property Of The Clan’ uses many techniques to portray the youths of Australia
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Abstract Depending upon firm strategies the two different theories in which can be pursued is either generated in the human resources area or in the marketing area. Depending on the strategy there may be an issue to be addressed that gave rise in employing these theories‚ how the theory being followed leads to specific actions on the part of the company‚ and or different results achieved depending on the strategy. Management Theories Each and every firm has
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