Paper Reference(s) 6664 Edexcel GCE Core Mathematics C2 Advanced Subsidiary Tuesday 10 January 2006 Afternoon Time: 1 hour 30 minutes Materials required for examination Mathematical Formulae (Green) Items included with question papers Nil Candidates may use any calculator EXCEPT those with the facility for symbolic algebra‚ differentiation and/or integration. Thus candidates may NOT use calculators such as the Texas Instruments TI 89‚ TI 92‚ Casio CFX 9970G‚ Hewlett Packard HP 48G.
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C2 REVISION – CHAPTER 1 – STRUCTURE & BONDING Fill in the gaps: When two elements react together they make a _________ substance called a_________. It is _________ to separate the elements after the reaction. Some atoms react by sharing electrons. We call this _________ bonding. Other atoms react by _________ or _________ electrons. We call this _________ bonding. When atoms react in this way they get the electronic structure of a _________ gas. Use pictures and words to describe each type of bonding:
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Title : C2 Investigating the capacitance of a capacitor I. Objective : * To investigate the factor which affect the capacitance of a parallel-plate capacitor using a reed switch. II. Apparatus * Reed Switch * Signal generator * Capacitor Plates (1 pair) * Polythene spacers * Low voltage power supply * Voltmeter * Variable resistance * Light-beam galvanometer * CRO * Standard mass (eg. 100g ) * Connecting leads * Drawing board *
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Command and Coordination Mechanism of Multinational Joint Operations Nationality: Fijian Rank: Major Name: Ilai (Jack) Moceica 20th April 2010 Name: Ilai (Jack) Moceica Rank: Major Arms: Infantry Corps Enlistment date: March 1985 Post: Officer Instructor Education Level: Grade II Military Staff and Tactics Auto-biography I was born in Fiji on 14 July 1965 and educated at the Queen Victoria School. I enlisted into the then Royal Fiji Military Force in Sep 1985 was posted to 1st Battalion
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C2.1.1 Structure and bonding a) Compounds are substances in which atoms of two or more elements are chemically combined. b) Chemical bonding involves either transferring or sharing electrons in the highest occupied energy levels (shells) of atoms in order to achieve the electronic structure of a noble gas. c) When atoms form chemical bonds by transferring electrons‚ they form ions. Atoms that lose electrons become positively charged ions. Atoms that gain electrons become negatively charged
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Case 2 Bell Jeans Berhad Bell Jeans Berhad was founded in the mid-sixties. The firm survived several lean years and economic recessions largely as the result of the market durability of its dominant product—blue denim jeans. Bell Jeans had been a market leader with "wash-and-wear‚" bell-bottom and flare jeans‚ and modern casual pants. By 2009 it was one of Malaysia’s largest clothing manufacturers. It offered a wide variety of dress and fashion jeans for both men and boys and a complete line of pants
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Core 1 Linear Graphs and Equations For any straight line‚ the gradient (M) is: dy/dx or difference in y/difference in x which is (y2-y1)/(x2-x1) Equation of a line: y=mx+c which is used when the gradient and intercept is known or y-y1=m(x-x1) when the gradient and the co-ordinates (x1‚y1) of a single point that the line passes through is known. You’ll need to learn this equation. [The equation of the line can be kept in this form unless stated in the exam. (reduces error chance) Also
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Electrolysis a) Electrolysis is the decomposition of a substance to give simpler substances. The substance being electrolysed has to be an ionic compound. b) The substance being decomposed is called the electrolyte. c) In electrolysis the electric current enters and leaves the electrolyte by conducting rods called electrodes. The positive electrode is called the anode and the negative electrode is called the cathode. d) For electrolysis to occur the electrolyte must be in liquid form so that
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C2 Economic Models: Trade-offs and Trade Summry: 1.Almost all economics is based on models. An important assumption in economic models is the other things equal assumption‚ which allows analysis of the effect of a change in one factor by holding all other relevant factors unchanged.2.One important economic model is the production possibility frontier. It illustrates: opportunity cost‚ efficiency‚ and economic growth. There are two basic sources of growth: an increase in factors of production‚ resources
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Introduction Jessica Turner is one of the entrepreneurs who is the founder of Turner Test Prep which prepares people for CPA exam. The fact that she got many rejections from accounting firms created influence as a push-factor on her entrepreneurship in the she decided to exploit the opportunity of the experience she had before. As spring of 2003‚ she had been suffering from a low market share due to fierce competition in the sector. Furthermore‚ the second vital issue is that she was unable to
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