suns of the charges of the protons in the nucleus b. equal to the suns of the charges of the protons in the nucleus minus the sum of the electrons in the Outer shell c. lest than tire sum of the charges of the protons in the nucleus due to shielding by the electrons in the outer shell d. lest than the sum of the charges of the protons in tire nucleus due to nisielding by the electrons in the lower‚ filled shells a. greater than the suns of the charges on the protons in the nucleus 4. isotopes
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MAXIS BERHAD COMPANY PROFILE Maxis Berhad‚ with its consolidated subsidiaries (together‚ ’Maxis ’)‚ is the leading mobile communications service provider in Malaysia with over 11.4 million mobile subscribers as of 30 June 2009. Maxis was granted licences to operate a nationwide GSM900 mobile network‚ a domestic fixed network and an international gateway in 1993. It commenced its mobile operations in August 1995 and launched its fixed line and international gateway operations in early 1996. Since
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10‚ 2005 INTRODUCTION N‚N-Diethyl-m-toluamide (DEET) is the active ingredient in many insect repellants.1 In this experiment‚ DEET will be prepared from m-toluic acid through the intermediate acid chloride and then identified by its IR and proton NMR spectra. The overall reaction is a series of two acyl substitutions and is shown in Scheme 1 below: [pic] Scheme 1 Carboxylic acids can be converted to acid chlorides by treatment with a compound such as phosphorus trichloride (PCl3)
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electricity possible. In the article the author says that we use electricity in our daily lives. In the article it explains that all matter is made up of atoms which are made up of smaller particles called the proton‚ the neutron‚ and the electron. It states that electrons have a negative charge and protons have a positive charge. There
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fasten your seatbelt and we’ll take a cruise into the quantum mechanical hood to check it out. Pay attention to the scenery along the way so you’ll be up to speed when we get there. Matter is composed of atoms. Atomic nuclei are tightly bound protons and neutrons (1H excepted) with electrons hanging out in the electron clouds around them. Also‚ there are chemical bonds between atoms in a lot of different kinds of matter. These bonds involve the borrowing and loaning of electrons (the so-called
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Biology: * Chapter 1: The Cell * Cell Adhesion Molecules (C.A.M.’s) - proteins that allow cells to recognize each other and contribute to proper cell differentiation and development. * DNA→ Genes → Histones → Chromosomes (or Chromatids) * Nucleolus- synthesizes rRNA * Smooth E.R. - lipid synthesis and detox of drugs and poison * Rough E.R. – Production of proteins products * Golgi Apparatus - series of membrane bound sacs; receives materials from smooth E.R. and sends
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(4) uses of energy in biological processes (B); active transport; muscle contraction; nerve transmission; synthesis; translocation; nitrogen fixation; receptors ENERGY TRANSFERS WHICH TAKE PLACE INSIDE LIVING ORGANISMS Living organisms including all plants and animals require energy for their cellular processes. In biological processes‚ the immediate energy source is often in the form adenosine triphosphate (ATP). The nucleotide ATP maintains both catabolic and anabolic reactions. An example of
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OEMs hence limiting sourcing option for other non-Japanese. OEMs Strategy for Proton post AFTA Malaysia has signed several FTAs bi-laterally and under the platform of ASEAN with other major economies such as China‚ Korea etc. These would also supported with the implementation of ASEAN Economic Community (AEC) by 2015 and provide wider market access to automotive OEMs and part & components manufacturers. PROTON may leverage on this access in obtaining market expansion for its current and future
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are the building blocks of the universe. Atoms are so small that millions of them would fit on the head of a pin. Atoms are made of even smaller particles. The center of an atom is called the nucleus. It is made of particles called protons and neutrons. The protons and neutrons are very small‚ but electrons are much‚ much smaller. Electrons spin around the nucleus in energy levels a great distance from the nucleus. If the nucleus were the size of a tennis ball‚ the atom would be the size of
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1. What is Chemistry? The study of the composition‚ structure‚ and properties of matter. The processes that matter undergoes and the energy changes that accompany these processes. 2. What is the formula for density? If I give you the density of a substance and the volume‚ you should be able to tell me the mass… Density = Mass/Volume 3. Compare and contrast intensive and extensive properties. Give an example of each. Extensive properties depend on the amount of matter that is present. Such
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