I Term Exam Chemistry Project Sunday‚ January 13‚ 2013 Grade/Section: Date: Question I: State whether each statement is true or false‚ then correct each incorrect statement. (7pts‚ 1 point each) 1- An Element is a substance that can be broken down into simpler substance by chemical means. 2- The Aufbau Principle states that energy levels must be filled from the highest to the lowest‚ when writing the election configuration. 3- Atomic radius decreases across a period
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Bibliography: • Macmillan Chemistry Pathways 1 – Geoffrey Thickett • Excel Preliminary Chemistry – C.M.Roebuck • www.cem.msu.edu • greenlighton.files.wordpress.com • www.chemguide.co.uk
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You hear the word recycling or going green many time trough the years. It is such an important environmental issue and yet‚ not much is done about this issue. If you ask a random person on the street what they think about recycling‚ they would say “it’s good for the environment.” Even though there are so many things said about going green or recycling‚ not much is done. Recycling can help the environment and we the creatures all around the world. Recycling is important for the environment because
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Anthony Martinez Mr. Hruby Chemistry R Period 4(5A) Name & Symbol: Platinum (Pt) Properties: -Atomic Number: 78 -Atomic Mass: 195.084 amu -Appearance: Shiny‚ smooth surface‚ silver like‚ solid. Melting point (K): 2045 Boiling point (K): 4100 Valence electrons: (+1)‚ +2‚ (+3)‚ +4‚ +6 Atomic radius (pm): 139 1st Ionization energy (kJ/mol): 868.1 Electronegativity: 2.28 Natural Occurring Isotopes: Six stable isotopes of platinum occur in nature (190‚ 192‚ 194
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cause job dissatisfaction‚ low work performance‚ unnecessary conflicts‚ and potentially getting fired from one’s job. Thomas Green Case is a great example of how different work styles and office politics can result in a career crisis. After reviewing the following case study‚ I have concluded that both parties are responsible for the lack of synergy between the employee‚ Green‚ and upper-management‚ Davis. The underlying root cause of these problems occurring in the office is from the lack of respect
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Soluble | Phosphate PO 3-4Carbonate CO 2-3Sulfite‚ SO 2-3 | H | Soluble | Once you recorded all of the data‚ there were a few questions that needed to be answered. A. Compare your results with the solubility rules and/or solubility table in your chemistry text. I would say that my results turned out pretty close to the rules in the text book. I observed many different reactions occurring. The colors of the solutions changed from clear to purple‚ from clear to blue and yellow‚ and from clear to a milky
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“GOING GREEN” Number of Words: 1288 CONTENT 1. Introduction………………………………………………………. 3 2. “Going Green” 4 2.1. Description 4 2.2. Happenings 4 3. Hotel’s standpoint 5 3.1. “Going Green” in the Hospitality Industry 5 3.2. “LEED” Certificate 5 3.3. Examples of Change 5 4. Acting 7 4.1 Advantages 7 4.2 Disadvantages 7 5. Conclusion…………………………………………..……………… 8 6. Reference List………………………………………………..….. 9 6.1 Internet………………………………………………………………………………….………………9
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Assignment Green party is a political organization which has grown year by year since 20 years ago. Green party formed in 1984. At that time the name of corporation was “the Committees of Correspondence”. They changed the name of their party to Green Committees of Correspondence in 1989. Finally‚ in 1991 the group name became Greens/Green Party USA. The Green‘s platform is organized in a direction which gives the priority to environment. Greens believe that in order to have a green land and healthy
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Green Marketing Green marketing is promoting environmental advantages through a company’s product; it can be internal dealing with employees and the organization with the external factor dealing with customers. Green marketing is taking off due to much interest from customers; since knowledge of our environment is being observed. Especially with knowledge from the media stating that something needs to be done in order to protect our environment from increasing numbers in pollution and air quality
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Chemistry of Sunscreens “Over 400 years ago‚ Copernicus declared that the sun was the center of our universe. Primitive societies in every continent have worshiped the sun as the god that provided warmth and made the crops grow” Today‚ the sun is not something we worship but something we try to avoid due to the fact that we are aware that it contains two main sources of ultraviolet radiation that is harmful to our bodies. Ultraviolet radiation (UVR) is defined by wavelengths‚ and is divided
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