Sodium gives electrons when reacting with a substance such as Chloride instead of sharing electron in a reaction such as the Hydrogen and Oxygen forming water molecules can be found in the type of bond in each example reaction. Before I can identify the contrasting characteristics of each reaction‚ I must first acknowledge the reason atoms react with one another in the first place. Each element has a certain number of valence electrons‚ an example being Sodium having one valence electron. When elements
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Testing for Cation and Anions OBJECTIVE: • Determine the presence of a cation or anion by a chemical reaction • Determine the cation and anion in an unknown solution All salt solutions have both positive (Cations) and negative (Anions) ions dissolved in it. In this experiment you will observe chemical reactions to determine the presence of specific anions and cations. Compare your observations with the reactions of the known solutions and the unknown solution to determine the ions present
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anti-social behavior. But many scientists and psychologists find that video games can actually have many benefits – the main one is making kids smart. Video games may actually teach kids high-level thinking skills that they will need in the future. Positive Effects of Video Games: • When you play video games‚ it gives the brain a real workout. In many video games‚ the skills required to win involve abstract and high level thinking. These skills are not even taught at school. Some of the mental
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communicate with audiences who have decided to pay attention via websites and electronic messages. As you read in Chapter 1‚ the continuous evolution of technology has expanded communication options. Email‚ instant messaging (IM)‚ web communications‚ and voice and wireless technologies are important tools for accomplishing company goals. Advantages of Email Electronic mail‚ known as email‚ has quickly become the most used communication tool in many organizations. Its ready availability‚ convenience‚ and
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Name: Lisa Brewer iLab‚ Week # 2 CATIONS AND ANION LAB Introduction The purpose of this week’s lab is to learn to demonstrate a double-replacement reaction of ionic compounds. To accomplish this‚ two ionic compounds will be mixed together and the product will precipitate out of solution. In this procedure‚ the product must be precipitated out of the solution and then weighed. For this lab‚ lead (II) nitrate (Pb(NO3)2) and potassium chromate (K2CrO4) will be reacted together to demonstrate
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The electron microscope‚ instrument that produced the first magnified image showing three-dimensional’ and highly magnified image of a small object. It directs a beam of electrons rather than light through a specimen. The beam of electrons is created from an electron gun. This beam then travels through the length of the microscope cylinder‚ which contains the lenses‚ the specimen chamber‚ and the image-recording system. Two types of electron lenses are used‚ electrostatic and electromagnetic
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Information has never been as easily and quickly available as it is today. The airwaves are filled with all sorts of news which can be accessed at the touch of a button twenty-hours a day. This has provided a greater choice for the consumers. However‚ even just as we are getting used to it‚ more is on the way. Technological advances‚ like the digital television and the Internet‚ promise to take the quantity and speed of the news one stage further. These news services on the Internet offer consumers
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the design and manufacture of tools and machines. Electrical engineering is about the generation and distribution of electricity and its many applications. Electronic engineering includes marine‚ automobile‚ aeronatical‚ heating and ventilating and others. Electrical engineering includes electricity generating‚ electrical installation‚ lighting‚ etc. Mining and Medical engineering belong partly to mechanical and partly to electrical. Fuel transport and delivery Coal may be delivered
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Electron Configuration Patterns WE CANNOT KNOW THE EXACT LOCATIONS OF ELECTRONS WITHIN ENERGY LEVELS‚ BUT WE CAN DESCRIBE PROBABLE REGIONS OF ELECTRON LOCATION. Our understanding of electron distribution is based on mathematical probabilities that result from knowledge about the behavior of charged particles in an atom: |a) | | |b) |
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------------------------------------------------- Electric generator In electricity generation‚ an electric generator is a device that converts mechanical energy to electrical energy. A generator forces electric charge (usually carried by electrons) to flow through an external electrical circuit. It is analogous to a water pump‚ which causes water to flow (but does not create water). The source of mechanical energy may be a reciprocating or turbine steam engine‚ water falling
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