Follow These 5 Steps To draw a Lewis dot structure for a molecule or ion‚ follow these steps: •Step 1: Count up the number of valence electrons for each atom‚ and total them up to give the total number of electrons for the molecule. If the molecule is an ion‚ include that charge in the count. For example‚ for a +1 ion‚ subtract one electron‚ and for a -2 ion add two electrons to the total count. (For more information about how to count the number of valence electrons per atom‚ see the related
Free Atom Chemical bond Electric charge
How do shapes affect structure? From the Roman arches to the triangular Great pyramids to religious domes and the variety of quadrilaterals found on steel-frame buildings of the 20th century‚ architecture is largely predicated on shapes. The mathematical attributes of shapes are necessary to the design of any standing structure. Arch The Romans first used arches around 273 B.C. Arches served as entrances for large‚ outdoor public spaces. Today‚ arches are found on porches‚ doorways and
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1. How similar are sources 1 and 2 in their view of Henry? If there are differences why might this be? Source 1 is an account by John Watts written in 1996 recalling a letter written to a papal diplomat‚ Piero da Monte in 1437 and the words of a visiting French embassy eight years later. Source 2 is a contemporary description of Henry VI written by Pope Pius II in his memoirs. Neither source gives a very flattering account of Henry VI. Source 1 describes him as a rather immature young man who
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Thesis: Being different is overwhelming‚ but cultivating a positive image will make it difficult for others to criticize your individualism. I. I developed three tactics to cultivate a positive image‚ which will make it difficult for others to criticize your individualism. a. Being different isn’t easy because you will face criticism from “the crowd”. b. I have a support system‚ but sometimes I wanted to be like other kids. c. I developed these tactics to ease my transition
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How is the structure of cells related to their function? Cell structures come in various shapes and sizes dependent on their location within an organism and what life sustaining process it carries out. These can range from the globular protein of a red blood cell‚ designed to carry four oxygen molecules at a time to the tail like flagellum of a bacteria designed for mobility and penetration of organs within a body. There are two main types of cells‚ eukaryotic cells which are generally plant
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compared to those of healthy individuals are structurally and functionally different. The areas of significant changes are the hippocampus‚ amygdala as well as the prefrontal cortex. The symptoms PTSD victims face are thought to be a representation of the physical changes in these areas of the brain. As a result‚ we are granted the ability to localize brain functions and ultimately gain a better understanding of why and how disorders such as PTSD occur. The Hippocampus The hippocampus is the area
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Explain how the training needs for an organisation are linked to the different levels within the structure. Introduction of Tesco Tesco was founded in 1919 by Jack Cohen from a market stall in London’s East End. Over the years tha business has grown and they now operate in 12 countries around the world‚ employing over 530‚000 people and serve tens of millions of customers every week.Tesco have always been committed to providing the best shopping experience. Today tesco continue to
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based on how that culture views the past‚ present or future. Americans have a very different sense of time compared to China and France‚ our view of time is time is important and shouldn’t be wasted on trivial things. Americans believe deadlines are more important than building relationships or getting comfortable with big decisions. China has a very different point of view on time‚ it’s to be cherished and used to build relationships and to make better decisions. The French have a similar point of
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BIODEGRADABLE SM PLASTIC BAG IN DIFFERENT SUBSTRATE ABSTRACT The purpose of this Investigatory project is to determine the effect of different substrates on the biodegradability of SM plastic bags. The materials needed are: 6‚ 1-litre glass jars; 6‚ 7”x9” aluminums trays; 12 pcs. 3”x4” SM plastic bags; 500g loam soil; 500g compost soil; 500mL seawater; 500mL tap water; Analytical balance; Graduated cylinder; and Weighing scale. The procedure involved cutting the SM plastics bags into 3”x4” sizes
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Four Market Structures Shavon Harrison ECON222 Kunsoo Choi What are the four market structures and their characteristics? According to McConnell and Brue (2004) describe four market structures that companies align themselves with during the course of their corporate lives.: “Pure Competition‚ Pure Monopoly‚ Monopolistic Competition and Oligopoly. Companies may move from market structure to market structure over the course of growth and time. This movement between structures may be the result
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