Power point presentation on valency of an element

Feb 3rd, 2012
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I have explained about valency in this ppt. this will help you understand valency in a different way and also with examples.All the three types of definitions are given with examples.

Word Count: 341
Showing Page: 1/17
Valencyo Definition of valency withrespect toHydrogenChlorineOxygeno Variable valencyValency definitionsThree definitionsHydrogen definitionValency or combining capacity of an element is expressedin terms of the number of hydrogen atoms whichcombines with or displaces one atom of the said element.ExamplesChlorine definitionValency or combining capacity of an element is expressedin terms of the number of Chlorine atoms which combineswith or displaces one atom of the said element.ExamplesOxygen definitionValency or combining capacity of an element is double thenumber of Oxygen atoms which combines with one atomof the said element.ExamplesMonovalentDivalentTrivalentTetravalentVariable valencyalences of the elements are those which can be derived by looking at the Groups (columns) alences, but the real behavior of electrons is less simple. Here is a listing of element valencesValency of some common elementsre stable by filling, emptying, or half- filling the shell. Also, shells don't stack neatly one on topmined by the number of electrons in its outer shell.NumberElementValence1Hydrogen(-1),+12Helium03Lithium+14Beryllium+25Boron-3,+36Carbon(+2),+47Nitrogen-3,-2,-1,(+1),+2,+3,+4,+58Oxygen-29Fluorine-

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