basic types of chemical bonds: ionic bonds‚ covalent bonds‚ hydrogen bonds. 5. Which kind of bond holds atoms in a water molecule together? What attracts water molecules to one another? 6. Both oxygen and neon are gases at room temperature. Oxygen combines readily with another elements‚ but neon does not. Why? 7. The chemical shorthand used to describe chemical compounds and reactions effectively is known as ________. 8. Using the rules for chemical notation‚ write the molecular formula for gkucoze
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in fireworks is atomic and/or molecular excitation followed by emission of light. This is the same process that produces the interesting colors we see in neon signs as shown in the image above. Different elements and molecules will emit their own specific colors of light after they are excited by high levels of electrical energy (as in the neon signs) or heat energy (as in the fireworks). For example‚ sodium is a very strong emitter of yellow light. This can sometimes be seen by putting ordinary
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Valuation and Capital Budgeting for the Levered Firm Adjusted Present Value 17.1 Honda and GM are competing to sell a fleet of 25 cars to Hertz. Hertz fully depreciates all of its rental cars over five years using the straight-line method. The firm expects the fleet of 25 cars to generate $100‚000 per year in earnings before taxes and depreciation for five years. Hertz is an all-equity firm in the 34-percent tax bracket. The required return on the firm’s unlevered equity is 10 percent‚ and
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mater is made of small particles‚ that where way smaller than atoms.He called them corpuscles.Which are known as electrons. In 1906 he began studying positive rays .Thomson won the 1905 nobel prize among many accolades.Then he discovered in 1912 that neon was composed of two different types of atoms. He created the first evidence for isotopes of a stable (non -radioactive) element in 1913‚as part of his explo oseph John Thomson was born on December 18‚1856 in Cheetham hill‚England.As a boy he was curius
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War of Currents Two of the greatest inventors in American history are Thomas Edison and Nikolas Tesla. However‚ they had not achieved their success on their own. Many argue that the rivalry between them had pushed them to create technology which we still use today. Without the extraordinary relationship between the two‚ Tesla and Edison would not have accomplished the level of success both of them had. In the beginning‚ the men had great respect for each other. Tesla had left Serbia for New
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of electrons; that is‚ the electrons completely fill the shell farthest from the nucleus. For example‚ sodium (group 1A) has an atomic number of 11‚ giving it 11 protons and 11 electrons in the neutral atom. This gives sodium one more electron than neon‚ the noble gas closest to it in the periodic table. In losing one electron‚ sodium forms a cation with a+1 charge‚ which still has 11 proton‚ but now has only 10 electrons in its electron cloud. What does this mean in terms of valence electrons? A
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1900: The Zeppelin While originally formulated in 1847‚ it wouldn’t be until 1895 that German Count Ferdinand von Zeppelin would register his patent on the rigid‚ hydrogen cell powered aircraft‚ and until 1900 when the LZ1‚ the first working prototype‚ would take flight over Lake Constance. While it was damaged during its first landing‚ it would be repaired and fly for another 8 years‚ when it finally caught fire after crashing into a tree‚ leaving no one seriously injured. Used for both transport
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The theme of Sound of Silence is alienation and lack of communication. From the darkness (my old friend) onwards it carries that theme and loneliness along. "In restless dreams I walked ALONE" Then the neon light splits the night and touches the sound of silence. The naked light show 10‚000 people (maybe more) talking without speaking and hearing without listening and writing songs that voices never shared (no one dared) because of the fear of breaking the silence. Then the writer steps in with
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It is composed of four separate sketches depicting various children’s suffering‚ done in chalk pastel on very bright neon paper. All four sketches are enclosed by a window frame so that one is given the impression of looking through a window of poverty. Jonathan Darby’s drawings of children embrace the brutality of poverty along with the beauty and innocence of a child
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Organizational culture Organizational culture can loosely be defined as the shared assumptions‚ beliefs‚ and "normal behaviors" (norms) of a group. These are powerful influences on the way people live and act‚ and they define what is "normal" and how to sanction those who are not "normal." To a large degree‚ what we do is determined by our culture. Organizational culture is similar to‚ say‚ regional culture. The same person in different organizations (or parts of the same organization) would act
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