Grade 10 Science –Chemistry Ionic Compounds Science Perspectives 10 - Section 5.6 Pages 192-195 Compound • A Pure Substance composed of two or more elements in a FIXED RATIO Ionic Compound • A compound made up of one or more positive metal ions (cations) and one or more negative non-metal ions (anions) Ionic Bond • The simultaneous strong attraction of positive and negative ions in an ionic compound. As noted‚ ionic bonding occurs between metals and non-metals. Yet‚ “why
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COMPOUND INTEREST Making or Spending Money SIMPLE INTEREST FORMULA If a principal of P dollars is borrowed for a period of t years at a per annum interest rate r‚ expressed as a decimal‚ then interest I charged is I Pr t This interest is not used very often. Interest is usually compounded which means interest is charged or given on the interest and the principal. Simple Interest Example COMPOUND INTEREST Payment Periods: Annually Once per year Semiannually Twice per year Quarterly
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the judge has no legal powers to sentence and can therefore only rely on a set mandatory sentence‚ (Scheb‚ 2008). It follows that mandatory sentencing has both negative and positive sides thus the pros and cons that are yet to be discussed. Pros of mandatory sentencing Scheb (2008) reveals that mandatory sentencing is an effective tool for preventing repetitive offences since it acts to deter future crimes. Potential criminals are aware of the type of sentence that they are likely to face and
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Ionic compounds are formed when a metal and a non-metal join together. When sodium metal is dropped into a gas jar of chlorine gas the elements react violently to form a new compound called sodium chloride joined by ionic bonds. To understand how this process works‚ we must grasp an understanding of what an ion is and what an ionic bond is. An ion is an atom that has an electric charge and is created when an atom (or a group) gain or loses electrons. (It has an electric charge due to the imbalance
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to a garden (let alone the beach) their streets are full of cars; school playgrounds are usually flat‚ sterile areas of concrete which offer no interest or little opportunity for interaction.” The consequences of this according to his theory of Compound Flexibility is that children who have little control over the world inevitably have fewer positive experiences‚ which in turn slows the development of their self confidence. Loose-parts theory has also been referred to by Bob Hughes in his elucidation
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ACYL COMPOUNDS: SOAPS AND DETERGENTS Experiment # 8 I. Objectives To observe the general properties of carboxylic acids. To compare the acidity of carboxylic acids and phenols. To verify experimentally the interconversion among acyl compounds. To become familiar with the physical and chemical properties of fats and oils and to understand the chemical basis of these properties. To learn how to prepare soap. To compare the properties of soap and synthetic detergents. II. Data and
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There are different types of Compound Interest. Interest is the amount of money earned in a saving account. * Simple Interest: Interest calculated once on the principal. * Compound Interest: Interest calculated for a given segment of time of the investment. For example‚ compounded monthly‚ means the interest is calculated each month and combined with the principal. So‚ for the next month‚ interest is earned on the interest. Continuously Compound Interest Formula P: ending
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according to Chomsky‚ is its creative nature. The last sentence (and‚ in fact‚ this one) have probably never been produced before in the history of the world. the same is true for much of what we say every day. So‚ we do not seem to learn or to speak language by purely imitating other people. How are we able to judge whether a sentence sounds okay? Can we literally have a list of sentences in our mind against which we check each new sentence we hear? Chomsky argues not‚ since our brains are
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August 15‚ 2012 COMPOUND MICROSCOPE A compound microscope is an optical instrument used to see objects that are too small for the naked eye. A compound microscope is a microscope fitted with two or more convex lenses. The high magnification produced by these lenses together enables a detailed study of micro-organisms‚ cells and tissues. These types of microscopes are therefore widely used in scientific and medical research. The basic design of a compound light microscope consists
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Abstract: When ionic compounds are dissolved in water‚ they break apart into ions. In this lab the opportunity to mix two ionic solutions and observe the results was given. Some ions will remain dissolved and uncombined in the solution even when they are mixed with other ions. When other ions are mixed‚ they form compounds that appear as cloudy or grainy precipitates. The objective of this lab was to observe the formation of compounds and to write the names and formulas of ionic compounds. It is also to
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