CARBON AND ITS COMPOUNDS Covalent Bond: A chemical bond formed by the sharing of two atoms. Types of Covalent Bonds i. Single Covalent Bond: A type of bond formed by sharing of one pair of electrons between two atoms. ii. Double Covalent Bond: A type of bond formed by sharing of two pairs of electrons between two atoms. iii. Triple Covalent Bond: A type of bond formed by sharing of three pairs of electrons between two atoms. Properties of Covalent Bond i. Their B.P. and M.P
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Edited by Foxit Reader Copyright(C) by Foxit Software Company‚2005-2008 For Evaluation Only. Tarjoman Hany Al-Baddaly Egyta Member www.tarjomany.webs.com E-mail: tarjomany@yahoo.com Phone: 0020452273304 Cell Phone: 0020187193110 KING SAUD UNIVERSITY INSTITUTE OF LANGUAGES & TRANSLATION A TRANSLATION COURSE IN BUILDING VOCABULARY Abdullah H. Homiedan‚ Ph.D Atef F. Youssef‚ Ph.D ١ PDF created with pdfFactory Pro trial version www.pdffactory.com TABLE OF CONTENTS ١- INTRODUCTION ٢-
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is new to us when we find out what object or notion it denotes. Some words‚ of course‚ are more ‘transparent’ than others. For example‚ in the words unfathomable and indescribable we recognize the familiar pattern of negative prefix + transitive word + adjective-forming suffix on which many words of similar form are constructed. Knowing the pattern‚ we can easily guess their meanings – ‘cannot be fathomed’ and ‘cannot be described’ – although we are not surprised to find other similar-looking words
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described with a clarifying adjective‚ as in isopropyl alcohol (propan-2-ol) or wood alcohol (methyl alcohol‚ or methanol). The suffix -ol appears in the IUPAC chemical name of all substances where the hydroxyl group is the functional group with the highest priority; in substances where a higher priority group is present the prefix hydroxy- will appear in the IUPAC name. The suffix -ol in non-systematic names (such as paracetamol or cholesterol) also typically indicates that the substance includes a hydroxyl
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was originally a trademark registered by The General Electric Company (G.E.) and invented by G.E. scientist Albert W. Hull in 1929. The word‚ Thyratron is a combination of the Greek prefix thyr- and suffix -tron. The prefix thyr- is from the Greek word thura (θυρα) meaning “door” or “gate”‚ and -tron being a Greek suffix indicating instrument (7). A thyratron is a type of gas-filled tube that has three electrodes and can be switched between an “off” state and an “on” state (2). It has been outdated
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does gcc search for libraries named in this manner? Describe how to specify your own library on the gcc command line. Libraries USE names such as libxxx.a or libxxx.so. When linked on the command line with a library‚ strip the lib prefix and .a or .so suffix; then prefix the remaining name with –l‚ as in –lxxx. By default gcc searches the /usr/lib directory for libraries. When you specify –Lpathname on the command line‚ gcc searches the pathname directory for each instance of –L. Here are two
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go back to the consonantal writing system used for Semitic language in the levant in the 2nd millennium BC. When we look up some new world in the dictionary‚ we can easily see what prefix and suffix the word may contain. At the same time‚ we may be able to learn the world by understanding its root‚ prefix and suffix. In”word”‚ Monty Heying shares his relationship with word by giving his first surfing experience. It’s more about writing inspiration. He was in Hawaii and rented a board to learn
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show more than 1 atom. (Omit the prefix mon for the first element). Prefixes Mon -1 Di -2 Tri -3 Tetra -4 Penta -5 Hexa -6 Hepta- 7 Octa- 8 Nona- 9 Deca -10 I.E. N2O3 --> dinitrogen trioxide I.E. CO --> carbon monoxide IONIC COMPOUND WITH A POLYATOMIC ION 1. Full name of the metal. 2. Full name of the polyatomic Ion second. I.E. NaOH Sodium hydroxide I.E. Ca(OH)2 Calcium hydroxide Classical System 1. The suffix ‘ic’ is used to indicate the ion
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Axia College Material Appendix C Building a Medical Vocabulary Ch. 2 Complete activities A‚ B‚ & C. A. Use the word bank below to build the medical word that corresponds to each definition in problems 1-13. Click the grey box to begin typing. |-ior |later/o- |infer/o- |umbilic/o- | |-al |dors/o- |caud/o- |inguin/o-
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Rules for Naming and Writing Compounds I. Ionic Bonds • bonding between a metal and non-metal or the bond between a positive ion and a negative ion forming a binary compound. • end in the suffix "ide" • Or bonding between a metal and a complex ion. Steps in writing formulas: • • • • Use a periodic table of elements and of ions. Write the symbol and charge of the cation first (positive ion) Write the symbol and charge of the anion next (negative ion) Use criss-cross rule to balance for an electrically
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