Lagoon Selatan‚ Bandar Sunway‚ 46150 Selangor Darul Ehsan‚ Malaysia. E-mail: jane.tong@ monash.edu Proton: Its rise‚ Fall‚ and Future Prospects For Dato’ Haji Syed Zainal Abidin Tahir (Syed Zainal‚ hereafter)‚ Managing Director of Proton‚ recent headlines such as “Auto Sector Faces Numerous Challenges” and “European Carmakers Zoom in”1 were simply reminders of the challenges his company faced. Proton had been troubled by its declining share of the domestic auto market (Exhibit 1) and consequent dwindling
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Vanadium‚ pronounced veh-NAY-di-em‚ atomic symbol V‚ and atomic number associated with this transition metal is 23. The atomic weight of Vanadium is 50.942 grams per one mole. The electron configuration is 1S2 2S2 2P6 3S2 3P6 4S2 3D3 and the noble gas notation is [Ar] 4S2 3D3. Vanadium is located in group 5B‚ in the transition metals‚ on the periodic table of the elements. Also‚ included in this group are niobium [atomic number 41 with an atomic weight of 92.9064 grams per mole]‚ tantalum [atomic
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What happens when the irresistible force meets the immovable object? One of the more convincing solutions has been proposed by Gary V. Smith of Aston University. He explained it as so: “The initial step to answering the superficially paradoxical question of “What would happen if an unstoppable force met an immovable object?” is establishing what is meant by ’immovable’. In order for something to move‚ its position must be measured relative to something else that is not moving. The universe
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Electron Arrangement Purpose: The purpose of this lab is to write electron configurations‚ orbital filling diagrams‚ and electron- dot diagram for ten elements. Hypothesis: If the amount of electron is know them the configuration of the element is know. Equipment: Paper‚ Pencils Procedure: (IV) Independent Variable - Configuration of electron (DV) Dependent Variable – Multiple Energy Level (CM) Control Method – S‚P‚D‚F Orbital (CMI/C)Constant - S‚P‚D‚F Orbital 1. Prepare a table
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2.2.1.6 Inductively Coupled Plasma-Atomic Emission Spectroscopy Inductively Coupled Plasma-Atomic Emission Spectroscopy (ICP-AES) is one of several techniques available in analytical atomic spectroscopy. ICP-AES utilizes plasma as the atomization and excitation source. Plasma is an electrically neutral‚ highly ionized gas that consists of ions‚ electrons‚ and atoms. Most analytical plasmas operate with pure argon or helium‚ which makes combustion impossible. Plasmas are characterized by their temperature
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The Nobel Prize in Physics 1968 was awarded to Luis Alvarez "for his decisive contributions to elementary particle physics‚ in particular the discovery of a large number of resonance states‚ made possible through his development of the technique of using hydrogen bubble chamber and data analysis". Alvarez’s colleagues sometimes called him the "prize wild idea man" because of the huge range of his activities. He did all kinds of research into the atomic nucleus‚ light‚ electrons‚ radar‚ and so
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Disappearing Spoon - Chapter 1: Geography is Destiny - Chapter 1 of The Disappearing Spoon discusses the importance of an element’s location on the periodic table based on the atomic number and type of material‚ and how this specific area determines its atomic “identity” and relation to other elements. This also includes the reactivity of elements based on their electron configurations. This relates directly to what we have studied in Chapter 5 of our textbook. One example from The Disappearing
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Guide: Exam 1 1. How many different kinds of protons are present in each of the following compounds? A. a: 4; b: 4; c: 4 B. a: 4; b: 4; c: 5 C. a: 3; b: 3; c: 5 D. a: 3; b: 4; c: 5 E. a: 4; b: 3; c: 5 2. Which of the labeled hydrogens absorbs furthest upfield in the NMR? A. Ha B. Hb C. Hc D. Hd E. He 3. Which of the following compounds does not give a singlet in its NMR spectrum? A. A B. B C. C 4. Which of the circled protons in the molecules below would absorb furthest downfield
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Quite a few scientists have helped to create and extend ideas on what an atom is and what its components are. One of these discoverers‚ John Dalton‚ developed the first modern atomic theory. Although much of his theory is still true today‚ one point was disproved by Ernest Rutherford. Dalton’s atomic theory had several parts to it. He believed atoms were indivisible‚ or impossible to break down into smaller particles. Also‚ he said elements are all consisted of atoms and that the atoms of
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Henry Moseley: An Annotated Bibliography Todd Helmenstine (November 23) November 23 Science History. Retrieved from: http://chemistry.about.com/od/novemberinscience/tp/november23history.htm In this short analysis of Moseley’s accomplishment‚ Helmenstine basically summed up the most important facts about Henry Moseley and his discoveries. He shows how Moseley proved that the element’s atomic number is more important than the element’s atomic weight. This proved to be important because back then
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