shweta49
shweta49 shweta49
  • 19-06-2021
  • Chemistry
contestada

How to find valency of an element

Respuesta :

AnimeNadine
AnimeNadine AnimeNadine
  • 19-06-2021

Explanation:

draw the electronic configuration of the element and on the last shell the remaining electrons on it is the valency if the leftover electrons is equal to or less than four then the element is positive if it is greater then four then it is negative

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