TYPES OF COMPOUNDS Endocentric: AB = B A= modifier B= head Take a look at the following example toothpaste Is it a type of tooth? or; Is it a type of paste? Definition of toothpaste from www.macmillandictionary.com soft thick subtance (paste) that you put on a toothbrush to clean your teeth Tooth is the modifier (A) of the head (B) paste. AB=B toothpaste = a type of paste for brushing teeth In most cases the head is the rightmost component of the compound. English N-N Compounds *
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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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PROFILE OF PHILIPPINE TARIFF SYSTEM Tariff Originated from Old Spanish coast town of Tarifa‚ 21 miles from Gibraltar‚ which received its name in the Arab who are said to named it after “Tariff Iban Malik”. Like Gibraltar‚ Tarifa is a high promontory and is connected to the coast only by a narrow cause way‚ easily defended. When the moors‚ many centuries ago‚ founded the town of Tarifa‚ they prepared the way for a system that is probably the most important factor in the international trade. As
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BINARY COMPOUNDS -Compose of two kinds of atom Polyatomic Ion | Name | OH-1 | hydroxide | SO4-2 | sulfate | PO4-3 | phosphate | NO3-1 | nitrate | CO3-2 | carbonate | HCO3-1 | hydrogen carbonate or bicarbonate | ClO3-1 | chlorate | NH4+1 | ammonium | TWO NON-METALS - Give the name of the positive ion followed by the negative ion ending with -ide -Greek prefixes are used CO-carbon monoxide CO2-carbon dioxide NO-nitrogen
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COORDINATION COMPOUNDS: * FLEXIDENTATE CHARACTER OF POLYDENTATE LIGANDS; * Poly dentate ligands have flexi dentate character in the sense that all donors atoms may not form coordinate bonds with the central metal atom or ion. For example; EDTA which is the hexa dentate ligand also acts as tetra dentate or penta dentate in certain complexes. Similarly sulphate ion‚ which is a bi dentate ligand‚ also acts as a mono dentate ligand in certain complexes‚ e.g. in [Co(SO4)(NH3)5]Cl. * LABILE
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many Indian kingdoms? 3. Name them. 4. Under whose rule was most of India by 1857? 5. What strategies were adopted by them to bring India under their control? Chemistry 1. 2. 3. 4. Describe the process as to how rayon is prepared? What are the advantages of using synthetic fibres over natural fibres? From where does the word NYLON gets its name? Write a short note paragraph on the learning outcome. Physics 1. A body of mass m is taken to the surface of the moon. What will be the mass of the
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HOW COUNTRIES USE TARIFF AND NON TARIFF BARRIERS TO CONTROL IMPORTS INTO THEIR COUNTRIES HOW COUNTRIES USE TARIFF AND NON TARIFF BARRIERS TO CONTROL IMPORTS INTO THEIR COUNTRIES PRESENTED BY: REX TITUS Taxes that affect the movement of goods across economic or political boundaries and can affect imports‚ exports or goods in transit. (Dibb et al.‚2001). Taxes that government imposes on commodities‚ one of the methods that governments used to control economic activity
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Gelgelu 11 February 2013 The Protectionism Effect: Tariffs‚ Quotas‚ and Subsidies The most common way to protect one’s economy from import competition is to implement a tariff: a tax on imports. Generally speaking‚ a tariff is any tax or fee collected by a government. Sometimes the term “tariff” is used in a nontrade context‚ as in railroad tariffs. However‚ the term is much more commonly used to refer to a tax on imported goods. Tariffs have been applied by countries for centuries and have
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Modern Use of Tariffs Tariffs are an important policy in a country that comes with its advantages and disadvantages. Tariffs are taxes placed on imported goods to protect and support the domestic businesses. The dilemma of tariffs are when they are too high‚ domestic businesses have reduced competition and produce lower quality goods at higher prices‚ but when tariffs are too low‚ foreign businesses can take significant market share from domestic ones and hinder their profits. Tariff policy has been
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