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CBSE Class 10 Answered

how to remember the valancies of elements?  
Asked by shansonu | 02 Jul, 2019, 06:42: PM
answered-by-expert Expert Answer
The valency of an atom is equal to the number of electrons in the outermost shell if that number is four or less.
 
If the number of electrons are more than four then the valency is equal to eight minus the number of electrons in the outer shell.
 
For more information please click on the below link:
 
Answered by Ramandeep | 03 Jul, 2019, 10:33: AM

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