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Interactive video lesson plan for: Valency of Sulpher CBSE Class 9 Chemistry

Activity overview:

http://www.cbselabs.com/threads/how-is-valency-of-an-element-found-find-the-valency-of-chlorine-sulphur-silicon-and-magnesium.985/

Valency is the combining capacity of an element. If the number of valence electrons of an atom of an element is less than or equal to 4, then the valency of the element is equal to the number of electrons in the outermost shell. On the other hand, if the number of electrons in the outermost shell of the atom of an element is greater than 4, then the valency of that element is determined by subtracting the number of outermost shell electrons from 8.

Tagged under: valency sulpher,valency electrons,cbse 9 chemistry,cbse cheistry notes

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